Windows Defender Access Denied Troubleshooting Checklist
You try to open Windows Defender or run a scan and get an "Access Denied" message. This usually m...
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Browse labWindows Defender Troubleshooting Checklist
Windows Defender (now Microsoft Defender Antivirus) usually runs quietly in the background, but s...
Fix Outlook File Locked by Outlook.exe Not Responding
If you see an error that your Outlook data file (.pst or .ost) is locked because Outlook.exe is n...
How to Fix Windows Security 404 Not Found Error
If you see a '404 Not Found' error when opening Windows Security (formerly Windows Defender), the...
Fix Remote Desktop File Locked Error 0x80070020
If you get error 0x80070020 when opening or editing a file over Remote Desktop, it usually means ...
Fix Command Prompt Sync Issue with System Clock
If your command prompt shows the wrong time or date, or if commands like time or