Solution Error 1935 Win 11 Installing Visual C++ 2005 or 2008 Redistributable
How to solve error 1935 when installing Visual C++ Redistributable 2005 or 2008 on Windows 11.
Download the most recent installation package from microsoft.com (e.g. Microsoft Visual C++ 2005 Service Pack 1 Redistributable Package MFC Security Update).
If during the installation on Windows 11 you get an error 1935 Microsoft.VC80.AT then please try:
1) running the installer with admin rights (actually should not be necessary, as the installer should ask for admin rights)
2) disable all Windows security features. Especially disabling "Real-time protection" can do the trick. Please also disable "Cloud-delivered protection". These settings are found under "Virus & thread protection settings".
After installation, you can turn on the security settings again.