My question is detailed below. Please click the link. https://learn.microsoft.com/en-au/answers/questions/5978256/win-11-25h2kb5101684-os-builds-26200-8973-and-2610 The current workaround is to go to Control Panel > All Console Items > File History > Select Drive and press D drive again. These issues are causing me great concern and may be related to recent Windows updates, changes to File History, or a rollback update. I have reported and inquired about this issue with Microsoft through various channels, but have not yet received a clear response. I hope the Microsoft technical team will thoroughly investigate and confirm whether KB5101684 or KB5120249 is related to these issues, and provide a clear answer and a feasible solution. If you are also experiencing similar File History issues after installing KB5101684 or KB5120249, please leave a comment below sharing your Windows version, KB update, and the situation you encountered. Your feedback may help confirm whether this is a common issue. Don't be afraid, leave a message if you like. Don't be afraid to ask questions below if you encounter similar problems to mine.