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

Checklist to Resolve Windows Defender Update Errors

When Windows Defender fails to update, you might see error codes like 0x80070643, 0x80240022, or ...

Fix Remote Desktop Proxy Error on Windows 11

When you try to connect to a remote PC via Remote Desktop on Windows 11 and see a proxy error—som...

Stop CMD High Memory Usage: Practical Fixes

If Command Prompt (cmd.exe) is using more memory than expected, it can slow down your system. Thi...

Fix PowerShell Script Not Running on Startup in Windows 11

You've created a PowerShell script and placed it in the Startup folder, but it doesn't run when W...

How to Fix Git Push Non-Fast-Forward Error

You run git push and get: ! [rejected] main -> main (non-fast-forward)....

Docker Compose Port Conflict Troubleshooting Guide