Why is my upgrade to Windows 10 failing?
If the update process for Windows 10 fails with the error C1900208, It usually occurs due to the installed virus scanner of your operating system. During the Windows 10 installation, the operating system checks the currently installed antivirus is up to date or not. And to avoid any error during update replace your antivirus with Windows Defender.
Windows 10: Upgrade Error C1900208 - What to do?
To prevent the upgrade error C1900208 in Windows 10, you must first delete your virus scanner. There should be no program residues.Star Update after uninstalling the virus scanner from your PC. If your antivirus software removal tool is not present, you can find the associated removal tools for virus scanners on the developers website.
After virus scanner is removed from your PC, initiate the fail upgrade process again.
Once you have Windows 10 installed, and you want to install your virus scanner, you can disable Windows Defender in Windows 10