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

Fix PuTTY Connection Refused After Server Restart

You restart your server, open PuTTY, and see "Connection refused". This is a com...

Fix Command Prompt pip Install Permission Denied Error

Fix 'Flush DNS Permission Denied' Error in CMD

When you run ipconfig /flushdns in Command Prompt and see 'Access Denied' or 'Permis...

Microsoft Teams High CPU Usage Fix

If Microsoft Teams is using 50% or more of your CPU, you're not alone. This is a common issue, es...

Fix slui.exe High CPU Usage During Windows Activation

If you notice your CPU pegged at 100% while trying to activate Windows, slui.exe (Software Licens...

How to Clear Chrome SSL State to Fix Certificate Errors

If you're seeing warnings like NET::ERR_CERT_COMMON_NAME_INVALID or Your connection ...