
Fix OneDrive 404 Not Found & File Access Denied Errors
You try to open a file in OneDrive and see a 404 Not Found message, or you get an Access Denied e...
Software troubleshooting desk

You try to open a file in OneDrive and see a 404 Not Found message, or you get an Access Denied e...

You open Chrome and see a message that your profile token has expired. This usually means Chrome ...

If Windows Defender is causing high CPU usage, it can slow down your computer. The most direct fi...

After a Windows update, some users see a BitLocker prompt that says authentication failed. The sy...

You type in the Windows Search bar, but nothing appears—or you see a brief error message about au...

You see "Network connection lost" in OneDrive and sync stops. This error usually means something ...