
Fix Windows Defender 404 Not Found After Update
After installing a recent Windows update, some users find that Windows Defender is missing or sho...
Software troubleshooting desk

After installing a recent Windows update, some users find that Windows Defender is missing or sho...

You open Outlook and see: "Cannot start Microsoft Outlook. Cannot open the Outlook window."

When Windows Security shows a cache error, you might see messages like "Something went wrong" or ...

When Microsoft Edge fails to update, you may see an error like "Update failed" or "Something went...

You see a red 'permission denied' icon on a file or folder in OneDrive, and the file won't sync. ...

When you extract a WinRAR archive and see a checksum error, the file is likely corrupted or the d...