Knowledge base for software setup, errors, and daily tool work.

Fix PowerShell Proxy Authentication Failed Errors

How to Fix a File Locked by Another User in an RDP Session

You try to edit a file over Remote Desktop and get an error like "The file is locked by another u...

Fix Windows Security Service Unavailable Permission Denied

You open Windows Security and see 'Service unavailable' or 'Permission denied'. The app may not o...

Microsoft Teams Proxy Server Troubleshooting Checklist

If Microsoft Teams fails to connect, shows a black screen, or keeps signing you out, a misconfigu...

Fix Windows Defender Access Denied in Safe Mode

You may see an 'Access Denied' error when trying to open Windows Defender in Safe Mode. This typi...

Fix Windows Search Access Denied After Update

After a Windows update, you may see "Access Denied" when trying to search files, folders, or sett...