Forum Discussion
Should I do a clean Windows 10 install first? Windows 11 update assistant crashed
catastrophic-error-0x8000ffff I just downloaded PC manager (Why is this not standard???) and it tells me that sys. files alone are 19.4Gb App Data is also huge. After poking about it seems like th...
Given the update error (0x8000ffff) and the large amount of old system files, a clean install of Windows 10 (preferably on a freshly formatted partition) is advisable. You can then restore your DVR software from backups or reconfigure as needed afterward.