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

Fix Remote Desktop Proxy Authentication Failed Errors

When you see "Remote Desktop proxy authentication failed," the connection to the remote machine i...

How to Fix '404 Not Found' in Command Prompt on Windows 10

Seeing a '404 Not Found' error in Command Prompt on Windows 10 can be confusing because 404 is ty...

Fix WinRAR Checksum Error on Windows 10

If you see a 'Checksum error' or 'CRC failed' message when extracting a RAR or ZIP file in WinRAR...

How to Repair Windows Defender Configuration Issues

Windows Defender (now Microsoft Defender Antivirus) can sometimes show configuration errors—setti...

Fix Chrome Profile Port Already Allocated Error

Fix Task Scheduler Backup Not Running

You set up a backup task in Windows Task Scheduler, but it never runs. The status says "Ready" or...