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

Fix Windows Security Not Starting After Update

After a Windows update, you might find that Windows Security won't open, or it shows a blank wind...

Fix 'Service Not Found' Error for Task Scheduler on Ubuntu

Fix 502 Bad Gateway After Reboot in Command Prompt

If you see a 502 Bad Gateway error after rebooting your server or workstation, i...

Fix Windows Activation Path Not Found in Command Prompt

You run slmgr /ipk or slmgr /ato in Command Prompt and get "The system ...

Fix Windows Activation Blocked by Firewall

If Windows activation fails with an error about a blocked firewall, your PC likely can't reach Mi...

Outlook Module Not Found: Troubleshooting Checklist

When you see 'Outlook module not found', it usually means a required component is missing, corrup...