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

How to Disable Rate Limiting in Windows Security

Rate limiting in Windows Security can sometimes interfere with legitimate applications, causing c...

Fix Microsoft Teams Connection Refused by Proxy Server

When Microsoft Teams shows a 'connection refused' error and mentions a proxy server, it usually m...

Fix PowerShell Proxy Authentication Failed Errors

How to Fix Command Prompt Stuck on Loading Screen

You open Command Prompt, but instead of the usual prompt, you see a blank window or a loading cur...

Fix Windows Defender Update Error 0x80070643

If you see error 0x80070643 when updating Windows Defender, it usually means the update failed du...

Unlock a File Locked by System Command Prompt

You try to delete or move a file, but Windows says it's open in 'System' or 'Command Prompt'. Thi...