How to Fix Android App Not Installed Error on Oppo A78 5G Quickly?

App not installed on Android is no more an unknown Error Code during Application installation as many people experience it on a day-to-day basis. An “Application not installed” error message usually pops up when you are trying to download and install an App with a .apk file extension from somewhere other than the Google Play Store. The error is very confusing at first but makes sense when you realize that this unknown Error Code during Application installation is neither a software issue nor a hardware problem. It is a direct outcome of what you do with your device. Yes, you heard that right. Your faulty actions can cause Android App not installed error.

What to do when trying to install the Android APK it says “app not installed”? It is terrible that you can’t install App on your device. But in this article, you will know more about the causes behind this error and the best ways to fix it, read on, here is all you need to know.

Part 1: Common reasons for the “Android App not installed” error

You may ask: Why can’t I download apps on my Oppo A78 5G? Understanding the underlying causes of the “Android App Not Installed” error is crucial for resolving the issue effectively. So, what are the reasons for Android App not installed error? Given below are a few reasons:

1. Insufficient storage

Android software and if data such as photos, videos, music, messages, apps, contacts, emails, etc are stored in the internal memory there is not adequate storage left for another App, leading to Android App not installed error.

2. Corrupted/Contaminated App file

When you do not download Apps from the Play Store and choose another platform to do so, App files are usually corrupted and hence cannot be installed on your device smoothly. You should be doubly sure of the source from where you download an App, check its extension name, and make an effort not to install contained files.

3. SD Card not mounted in the Oppo A78 5G device

At times your phone could be connected to your PC or another electronic device that can access the SD Card from your device. In such situations when you install an App and choose to save it to your SD Card, you will see Android App not installed error because the App cannot find the SD card as it is not mounted in your device.

4. Storage location

You must be aware that certain Apps work their best when stored in the Oppo A78 5G device’s internal memory, whereas others need to be located on an SD Card. If you do not save the App in an appropriate location, you will find that the App isn’t installed because of an unknown Error Code.

5. Corrupt storage

Corrupted storage, especially a corrupted SD Card, is known to cause the Android App isn’t installed error. Even the internal storage can get clogged due to unnecessary and unwanted data, some of which might contain an element that disturbs the storage location. Take this issue seriously as a corrupted SD Card and even clogged up internal memory can put your device in danger.

6. Application Permission

Software operations running in the background and App Permission are not new concepts. Such errors can also cause the Unknown Error Code during App installation.

7. Incorrect file

If you already have an App installed but download another variant of it having a distinct signed or unsigned certificate can also make the Android App not installed error pop-up. This sounds technical, but this and all the other reasons listed above can be tackled by you.

The Unknown Error Code during Application installation can occur due to any one or more of the reasons stated above. So read them carefully and understand them well to avoid such glitches in the future.

Part 2: One-click to fix App not installed on Android error

So App not installed on your Oppo A78 5G or tablet? The most horrible part is that this issue may come out of the corruption in the system files. In this situation, Android apps won’t be installed no matter what measures you take. Android system repair is the only effective solution to deal with this issue.

Android system repair used to require high technical skills. But most of the users know little about technical things. Well, worry not! Dr.Fone - System Repair (Android) allows you to repair Android easily, that is, complete the fix with just one click.

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On-screen instructions are provided to prevent any misoperation.

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Note: Getting your Android system repaired may erase the existing device data. It is recommended that you should back up your Android data before starting the Android repair.

The following steps illustrate how to fix the “Android App not installed” error in one click:

Install Dr.Fone on your Windows. After that, launch it, and click “System Repair”. Connect your Android to the computer.

Select the “Android” option and click “Start”.

Select device information, such as brand, name, model, country, etc., from each field, and type “Next”.

Follow the on-screen instructions to boot your Android in download mode, and allow the tool to download the firmware to your device.

After the firmware is downloaded, the tool will start to repair your Android, hereby fixing the “Android App not installed” error.

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Part 3: How to fix App not installed error on Android

We understand that it can be a tricky situation to be in when Android App not installed error pops up, but what if we tell you can get rid of it in easy and simple steps? Yes, there is!

#1. Delete unnecessary files/Apps

Insufficient storage can prevent the app from being installed. Make some storage space on your device by cleaning unwanted data and deleting extra media and other files. You can also get rid of heavy Apps by:

Visiting “Settings” on your device. Then select “Manage apps”, “Application Manager” or “Apps” (varies based on device model or version) from the list of options before you.

Now select the App you wish to uninstall and wait for the App Info screen to open, then click on “Uninstall” as shown in the screenshot.

You can also uninstall the unnecessary application on the home screen, just long-press the app you want to uninstall until you see the “uninstall” icon. Click “Uninstall”, then, you need to click “OK” to confirm the uninstall process.

#2. Use only Google Play Store

As you are all aware, the Play Store is specially designed for Android software and contains only trusted and safe Apps. It is often known as the “Android Market” because it is loaded with different types of Apps to stiffly all your needs so that you don’t have to rely on other third-party sources to purchase/install Apps.

#3. Mount your SD Card

Another remedy for Android App not installed error is to make sure that the SD card inserted in your device is not inaccessible.

To check the same:

First, disconnect your Oppo A78 5G from your PC and then visit “Settings” on your Android and select “Storage” from the options that appear. Finally, click on “Mount SD Card” at the Storage Info screen.

You can now restart your device and try to install the app now, it should work!

#4. Choose App location wisely

It is advisable to not tamper with the App’s location and let the software decide where it needs to be placed. As far as possible, let the Apps be in your device’s internal memory.

#5. Format SD Card

The chances of your SD Card being corrupted are very high. You can format it either while it is in your device or externally.

Now to Clean up your SD Card, simply visit “Settings” and select “Storage” and tap on “Format SD Card” and mount it once again to use it smoothly.

#6. App Permissions

You can reset App permissions to combat the Android App not installed error by Visiting “Settings” and then selecting “Apps”. Now access the Apps menu and hit “Reset App Preferences” or “Reset application permissions”. This will allow third-party apps to get installed on your device.

#7. Choose the correct App file

Make sure to always download an App file only from a trusted and safe source to avoid any errors during installation.

#8. Reboot your device

Finally, if nothing else works, restart your device to end all operations which could be causing the said error. To reboot, just press the power button till you see a pop-up. Select “Restart” and wait for your device to reboot.

Conclusion

Encountering the “App Not Installed” error on Android can be frustrating, but by understanding the causes and implementing the appropriate solutions, you can overcome this issue. We saw that Android App not installed error can be fixed quickly if you keep in mind the tips given in this article. However, please ensure that you follow each instruction carefully to avoid any further goof up.

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Play Store Not Working On Oppo A78 5G? 8 Solutions Inside

A functional Google Play Store is crucial for Android users to access, update, and install apps. Unfortunately, common issues like your Google Play Store not working can disrupt this experience. If you find your Play Store misbehaving more often than not, don’t fret.

In this guide, discover reliable solutions when your Google Play Store is not responding. The article will teach you how to tackle these problems and ensure a seamless app experience. Don’t let technical glitches hinder your digital journey—follow these troubleshooting steps for a swift resolution. Explore the page below to learn more.

Part I. 7 Common Google Play Store Issues Users Encounter

The Google Play Store serves as the epicenter for Android users. It facilitates seamless access to a vast array of apps. However, encountering issues with the platform can impact the functionality of your device. Below are 7 common issues on why your Google Play Store is not responding.

Inability To Open the Play Store

The inability to open the Play Store leaves you without access to new apps or updates. The issue is often accompanied by error messages, which can leave you scratching your head.

Crashing Issues

Frequent crashes undermine the stability of the Play Store. Users attempting to browse or download apps may find themselves abruptly kicked out of the application. It can disrupt your intended tasks and cause annoyance in the long run.

Not Responding Errors

The dreaded “Not Responding” message can bring usability to a standstill. Users navigating the Play Store may experience delays or complete unresponsiveness. It can lead to a frustrating and unproductive experience.

Download and Installation Failures

When downloads and installations fail, you will be unable to enjoy new apps or updates. This issue can be annoying when trying to access crucial software improvements or security updates.

Authentication and Account Issues

Problems with authentication and account access can lock users out of their Google accounts on the Play Store. It prevents users from purchasing or downloading apps. The issue not only hampers functionality but also raises security concerns.

Update Problems

Difficulties in updating apps can leave users with outdated software. It can potentially compromise security and miss out on new features. The issue diminishes the user experience by depriving you of the latest enhancements.

Connection and Network Errors

Persistent connection and network errors impede the Play Store’s ability to fetch data. It hinders users from browsing and downloading apps. The issue is frustrating in areas with unstable internet connectivity.

Part II. Why Does the Google Play Store Keep Stopping?

If you’re wondering why does Google Play Store keeps stopping on your phone, there can be several factors. Here are some of them below.

**Network issues.**Unstable or poor internet connections can disrupt the communication between the Oppo A78 5G device and the Play Store. It can lead to frequent crashes.
**Outdated Play Store version.**Running an outdated version of the Play Store may result in compatibility issues. The lack of essential updates can cause the application to stop unexpectedly.
Cache and data accumulation. Over time, cached data and accumulated data in the Play Store can become corrupted. It can hinder the smooth operation of your phone and contribute to sudden stops.
Google account problems. Authentication issues, incorrect credentials, or other problems with the linked Google account can disrupt the Play Store’s functionality. This can also lead to repeated crashes.
**System glitches and bugs.**Inherent glitches and bugs within the Android operating system may affect the Play Store’s performance. They can cause your device to stop unexpectedly.

Part III.7 Quick Solutions To Resolve Play Store Not Working Issues

Encountering issues with the Google Play Store can be frustrating. It disrupts your ability to download, update, or access essential apps. Here are seven quick solutions when your Google Play Store unfortunately has stopped.

Clear Cache and Data

Revitalize your Google Play Store by addressing performance issues. Clearing cache and data can be a crucial step when troubleshooting malfunctions or glitches in the app. Here’s how.

Step 1: Head to your device’s Settings and navigate to Apps or Application Manager.
Step 2: Locate and select Google Play Store. Within Storage, choose Clear Cache and Clear Data. Confirm your action and restart the Play Store.

Update Play Store

Enhance your Play Store’s functionality by ensuring it’s up-to-date. This method suits those who haven’t updated their Google Play Store for a long time. Follow the steps below.

Step 1: Open the Play Store app and tap the three horizontal lines in the top-left corner to access the menu.
Step 2: Select Settings and scroll down to find the Play Store version. Install any available updates.

Check Internet Connection

Ensure a stable internet connection on your device. Switch between Wi-Fi and mobile data to identify connectivity issues. Restart your router or modem if problems persist.

Reset App Preferences

Restore your device’s app settings to default for improved functionality. Below are the steps.

Step 1: Go to your device’s Settings and select Apps or Application Manager.
Step 2: Tap the three dots in the top-right corner and choose Reset app preferences.

Re-add Google Account

Resolve Play Store issues by re-adding your Google account. Follow these steps in Settings to remove and re-add your Google account, ensuring a seamless and error-free experience.

Step 1: Navigate to Settings and choose Accounts or Users & Accounts.
Step 2: Select Google and remove the account. Re-add the Google account and verify if the Play Store functions properly.

Uninstall Play Store Updates

This method troubleshoots Play Store problems by uninstalling updates. Here’s how.

Step 1: Access Settings and go to Apps or Application Manager.
Step 2: Find Google Play Store and tap on Uninstall Updates. Confirm the action and restart the Play Store.

Perform a System Update

Ensure your device’s overall stability by performing a system update to ensure the stable operation of the Play Store. Follow the steps below.

Step 1: Access Settings, scroll down, and select System or Software Update.
Step 2: Next, choose System update or Check for Updates and install any available system updates**.**

If you’re still asking yourself why my Google Play Store is not opening after conventional methods prove ineffective, it may lead you to explore third-party tools. As a final recourse, considering reputable tools like Wondershare Dr.Fone - System Repair introduces a fresh approach to troubleshooting your device.

Part IV. How To Repair Play Store Not Working With an Alternative

Repairing your Google Play Store can be swift and effective with Dr.Fone - System Repair. This tool offers advanced features to diagnose and fix various system issues without the advanced skills required. It provides a quick and efficient resolution for a malfunctioning Google Play Store. Follow these three simple steps to get started:

Step 1: Begin by downloading and installing Dr.Fone - System Repair (Android) on your computer.

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Step 2: Launch the program and connect your Oppo A78 5G to the computer using a USB cable. Choose the Oppo A78 5G device type and click Start to initiate the repair process.

Step 3: Dr.Foneshould automatically detect the brand of your device. Next, choose the Name, Model, Country, and Carrier. Tick the checkmark and click Next to continue. Follow the on-screen instructions and wait for the repair process to complete.

Step 4: Simply click Done on the prompt window displaying a confirmation message to exit the tool if your Oppo A78 5G starts successfully. In the event that the Oppo A78 5G device fails to start, select Try Again to initiate the process once more.

Bonus: What Else Can Dr.Fone - System Repair Do?

Beyond its utility in fixing Google Play Store malfunctions, Dr.Fone is known for its user-friendly interface and high success rate. Its ability to address a wide range of Android issues offers a comprehensive solution to various system-related problems. Below are the platform’s key highlights.

Key Features

Fixes diverse Android issues. Dr.Fone - System Repair excels in resolving a multitude of Android problems. This includes a black screen, a boot loop, and bricked Android devices. Its comprehensive approach ensures you can rely on a single tool to tackle a wide range of system-related issues.
Support for over 1000 Android models. Dr.Fone supports over 1000 Android models. The broad coverage ensures diverse devices can use the software to troubleshoot and repair their Android systems.
User-Friendly interface. Dr.Fone is designed with simplicity in mind. It offers an easy-to-use interface that caters to both novice and experienced users.
High success rate. The software boasts a high success rate in resolving Android issues. Its effectiveness in tackling various problems has garnered trust among users. It’s one of the go-to solutions for those seeking reliable and efficient system repairs.

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Conclusion

Addressing issues when your Google Play Store does not work is crucial for an uninterrupted Android experience. Follow the outlined steps to regain control and enjoy a seamless app experience. Don’t let frustrations linger; take immediate action for a hassle-free Google Play Store.

Lastly, having Dr.Fone - System Repair at your side offers a reliable solution for a wide range of Android concerns. Don’t worry if your Google Play store is not responding, and Dr.Fone can fix it in minutes.

6 Fixes to Unfortunately WhatsApp has stopped Error Popups On Oppo A78 5G

Ever seen a wheel going on without cog? Similarly, WhatsApp has become the cog of our lives. Be it in the professional era or personal (gossips, oomph) stuffs, it is a crucial engaging kind of application. WhatsApp is the slow poison yet a useful tool used worldwide after call logs or messages. Imagining a day without is enough to put someone off. And if one has recently faced a problem in WhatsApp crashing or not opening, then it is enough to give a heart break. It can be due to Cache memory piled up, storage running out of space, WhatsApp components getting corrupted. In such a case, resolving the problem by using an effective solution is very important! Don’t worry and wander as we will provide impeccable range of fixes to bid bye to WhatsApp stopping problem.

You should start fixing the WhatsApp crashing issue with fixing the Android firmware. This is because the Android firmware components are many times the hidden culprit behind the problem of why a particular app stops working. And to fix these components in one click, you need Dr.Fone - System Repair (Android). It is one of the safest tools around in the market and works efficiently with Android system issues. It promises to bring your device back to normal and healthy state. Here are the benefits you get with this amazing tool.

Dr.Fone - System Repair (Android)

Android repair tool to fix firmware component issues

Fixes all kinds of Android system issues with ease
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Really easy to use and free from any virus infection
One needn’t to be a tech pro to use this tool
Can be downloaded for free and repairs the Oppo A78 5G device in few easy steps

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Step 1: Download Dr.Fone Tool

To start repairing, go to the official website of Dr.Fone - System Repair (Android) and download it. Install it and then open the tool on your PC. To proceed, look for the “System Repair” tab and click on it.

Step 2: Choose the Right Tab

As the next step, you need to take the help of USB cable and then plug your device to the computer. Once connected appropriately, make sure to click on the “Android Repair” tab from the left panel.

Step 3: Enter Details

Next will be the information screen. Simply enter the model, brand and other details. Check everything once and click on “Next”.

Step 4: Enter Download Mode

Subsequently, you need to go along with the onscreen instructions. This will boot your device in the download mode. The step is necessary to download the firmware. When you follow the steps, you need to click “Next”. The program will then start downloading the firmware.

Step 5: Repair Android

Now, you just have to sit back and relax. The program will begin to repair your device. Wait until you get the notification for completion.

Cause 2: Cache conflict

The purpose of Cache in a device is to keep the track of frequently used data and information of an application. And when there are the files or data that are corrupted in the cache, this might raise the “Unfortunately WhatsApp has stopped” error. Therefore, you need to clear the WhatsApp data if the above method went futile. Here are the steps.

Open “Settings” and go to “App Manager” or “Apps & Notifications” or “Applications”.
Now, from the list of all applications, choose “WhatsApp”.
Click on “Storage” and tap “Clear Data”.

Cause 3: WhatsApp components corruption

A lot of times, the WhatsApp crashes due to the corrupted components of WhatsApp. In such case, all you need to do is uninstall and install the WhatsApp again. This is how you do it.

Uninstall the app right away from your Homescreen or from the “Settings” > “Applications” > “All” > “WhatsApp” > “Uninstall” (for some phones).
Go to “Play Store” and search “WhatsApp” on the search bar.
Tap on it and start downloading followed by installing it.

Cause 4: Not Enough Storage on your Phone

Insufficient storage could be the other reason why for your WhatsApp has stopped. When your device starts running out of space, some apps may not be able to operate properly for their functions take up space in the Oppo A78 5G device. And probably WhatsApp is one of them. If the space is the case with you, we suggest you the following two things to go with.

Firstly, go to Settings and check the storage. Make sure it is enough i.e. at least 100 to 200MB.
Secondly, start eliminating the apps that are no longer needed. This will indeed create more space in your device and will let your WhatsApp wok properly.

Cause 5: Gmail Account no longer valid or hacked

It is a well-known fact that Android device and Gmail account go hand in hand. To run the Oppo A78 5G device smoothly, it is always asked to enter your Gmail address for further configurations. And when WhatsApp stops on your device, the reason might be your Gmail account. Most probably it is not valid now or maybe hacked. If this is the case, we suggest you to log out and log in with some another Gmail account.

Log out by opening “Settings” and tap on “Accounts”.
Choose your Google account and tap on “REMOVE ACCOUNT”.

Now, you can login again and check if WhatsApp works or not.

Cause 6: WhatsApp Incompatible with your Android Phone

If still nothing works and your WhatsApp keeps stopping, most likely the reason is the incompatibility of your WhatsApp with your device. In such case, the thing that comes to your rescue is mod WhatsApp version like GBWhatsApp. It is a mod app which is similar to WhatsApp but in a more modified way. With this, a user gets more functionalities and customizable settings when compared to WhatsApp.

If you’re wondering how you can find this app and install, you should keep reading.

To find GBWhatsApp:

Since you can look for this mod app on the Play Store, here are some of the other secure places from where you can download apk file for this GBWhatsApp. Note down these websites to get GBWhatsApp downloaded if WhatsApp has stopped.

Latest Mod APKs
UptoDown
Android APKs Free
Soft Alien
OpenTechInfo

To Install GBWhatsApp:

Now that you have decided where to download the apk file, these are the following steps that you should follow to install it on your phone. Please have a look:

Firstly, open “Settings” on your device and go to “Security”. Turn the “Unknown Sources” option. Doing this will let you install the apps from other locations than Play Store.

Using the browser on your phone, download the app from any of the aforementioned website.
Launch the GBWhatsApp apk and follow the onscreen instruction in order to install. You need to go in a similar way as you do in mormal WhatsApp app.

Simply proceed with entering your name, country and contact number. The app will verify your account. You are now ready to use this app.

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How to Fix Android App Not Installed Error on Oppo A78 5G Quickly? | Dr.fone