Avira Security installation fails with an error message

To install Avira Security, the following minimum requirements must be met:

• Operating system: Microsoft Windows 7 Service Pack 1 or higher with the newest updates, hotfixes, and service packs installed
• CPU type: Intel Pentium 4 / AMD Athlon 64 Processor or faster (with support for the SSE2 instructions set)
• RAM: 2 GB RAM or more
• Disk Space: Minimum 2 GB of free disk space (additional space for temporary and quarantine files needed)
• Additional requirements: To install, you’ll need administrator rights, an internet connection, and a web browser.

• Multiple antivirus programs on a system can interfere with each other. Uninstall the existing antivirus program and reinstall Avira.
• Make sure that you have the latest Microsoft updates installed.
• Verify via Windows settings that you have the latest Microsoft updates installed.
  Click  Start → Settings → Updates & Security → Check for updates.
• Install the latest version of Microsoft.NET Framework 4.

Avira installation may fail if your computer has remnants of previous Avira instances. We recommend you clean the system before proceeding with a new installation.

1. Boot your Windows System in safe mode:

• Windows 10
• Windows 8 / 8.1
• Windows 7

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

3. Delete the following Avira folders if they exist:

• C:\Program Files\Avira
• C:\ProgramData\Avira
• C:\Documents and Settings\All Users\Application Data\Avira

4. Restore the default folder view settings.

5. Restart your computer.