
Fix Windows Defender Not Starting Due to Antivirus Conflict
You open Windows Security and see a message that Defender is turned off or not starting. The most...
Software troubleshooting desk

You open Windows Security and see a message that Defender is turned off or not starting. The most...

If you see an "authentication failed" error in Windows Search, it usually means the service can't...

If you see a 504 Gateway Timeout error when opening Windows Security after a recent update, it us...

If your OneDrive files aren't syncing on Windows, you may see a stuck status or outdated files. T...

You open Windows Security from Command Prompt and see nothing but a blank window. This can happen...

If your OneDrive folder is taking up too much local disk space, or you only need certain folders ...