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 Windows Update SSL Certificate Error After Time Change

If you've recently changed the system time on your Windows computer and now see an SSL certificat...

Fix Windows Activation Access Denied from Corrupted System Files

You try to activate Windows, but get an 'Access Denied' error. This often happens when system fil...

Fix Windows Terminal Permission Denied File Locked Error

Fix OneDrive Sync Not Working After Migration

After moving files to a new PC or switching Microsoft accounts, OneDrive may stop syncing. This u...

Fix Microsoft Teams Stuck on Loading Screen

If Microsoft Teams gets stuck on the loading screen—spinning dots or a blank window that never fi...