Forum Discussion
Error Installing Windows 11 Insider Preview 27695.1000 (rs_prerelease)
oxC1900101 -0x20017 The installation failed in the SAFE_OS phase with an error during BOOT operation. Procedure done.. disabled Antivirus, mounted version for AMDx64. Make it around 5 times an...
sumitomo85 I have this issue with EVERY Insider Preview build. What I end up doing is downloading the iso from a site like uup and installing from a thumb drive. This always works -- except this build seems to not be available for downloading atm.
I believe, though I can't be 100% sure because Microsoft's error codes are so freakin' generic, but I believe it's a driver conflict. Likely the video card driver, because it seems to always interfere with updates.
I've tried all the suggested fixes (the scans, the file system repairs, etc.) and none of that helps.