
Fix Outlook File Locked by Antivirus Software
If you see errors like "Cannot access file" or "File in use" when opening Outlook, your antivirus...
Software troubleshooting desk

If you see errors like "Cannot access file" or "File in use" when opening Outlook, your antivirus...

If Microsoft Edge fails to launch—clicking the icon does nothing, or the window appears briefly a...

You open PowerShell, type a command you know works in Command Prompt, and get an error like

You open Outlook and it keeps showing the loading screen or starts in safe mode repeatedly. This ...

When you update Outlook and see 'Microsoft Outlook cannot start' or 'Cannot start Microsoft Outlo...

You're working and OneDrive stops syncing, showing "Permission Denied" or "Connection Refused." T...