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

Fix Windows Activation Service High RAM Usage

If you notice high RAM usage from the Windows Activation service (sppsvc.exe) in Task Manager, it...

How to Fix Microsoft Teams 502 Bad Gateway on Windows 11

You open Microsoft Teams on Windows 11 and see a "502 Bad Gateway" error. This usually means Team...

Fix Windows Defender DNS Error on Windows 10

If you see a DNS error in Windows Defender on Windows 10, it usually means the app can't reach it...

Checklist for Windows Terminal Module Not Found Error

If you see a 'module not found' error when launching Windows Terminal or running a command, it us...

Fix Command Prompt Sync Issue with System Clock

UFW Allow Port Range Not Opening: Fixes and Checks

If you've added a UFW rule to allow a range of ports but connections are still being blocked, the...