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To perform successfully a produkt reinstallation you have to perform first a cleanup of your installed Avira product.

Note
The described procedure should only be applied if a conventional Avira uninstallation via
Control Panel → Programs and Features/Uninstall a program” fails.

We recommend cleaning the registry with the “Avira Registry Cleaner” to make sure that this issue is not caused by the remnants of an old Avira installation.

First, save the Avira Registry Cleaner on your desktop.
Please do not run the file yet. Follow the article and execute the file at the specified time.

I. Clean your system

1. Delete residual Avira files

1. Boot your Windows System in Safe Mode.

◦ Windows 10
◦ Windows 8 / 8.1
◦ Windows 7

2. Make sure that your folder options are set as follows.
ClickStart → Control Panel → Folder Options → View → Show Hidden Files and Folders → OK

3. Delete the following folders if they exist:
◦ C:\Program Files\Avira
◦ C:\ProgramData\Avira
◦ C:\Documents and Settings\All Users\Application Data\Avira

Note

If you cannot delete Avira folders, rename them first.
Then start your computer in safe mode again and delete them.

There is no action required if these folders do not exist.

4. Restore the default folder view settings.

2. Remove registry entries with “Avira Registry Cleaner”

1. Right-click the file “avira_registry_cleaner_en.exe” that you previously saved on your desktop and select Run as administrator.
2. Click Accept.
3. Activate the control box of your Avira product.
4. Click Remove.
5. Close the program again.
6. Restart your computer.

3. Reset the Windows LSP (Winsock)

Note
This step is only required if your computer is running a Windows 7 operating system.

Discover More help  The Free QR Scanner app has been removed from the Avira portfolio (Android)

Only for Windows 7
1. Click Start → All Programs → Accessories.
2. Right-click “Command Prompt” and run it as administrator.
3. Type the following command in the command line:

netsh winsock reset

4. Press Enter.
5. Restart your computer.

II. Reinstall Avira

1. Log in to your Avira account.
2. Click on the left menu panel the Subscriptions button.
3. Search for the product and click Install.
4. The previously acquired Avira package will be reinstalled, and the license will be activated automatically.

Note
If the new installation fails due to program remains of an older instance, please refer to this article.

Source : Official Avira Brand
Editor by : BEST Antivirus KBS Team

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