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

How to Fix BitLocker Authentication Failed on Windows 11

You enter your BitLocker PIN or startup key, and Windows 11 shows 'Authentication failed.' This u...

Fix CMD Service Unavailable Due to Group Policy

Situation

You open Command Prompt and see an error like "Command Prompt has been disabled...

Fix 502 Bad Gateway in Windows Terminal Proxy Config

If you see a 502 Bad Gateway error in Windows Terminal, it usually means your proxy ...

Outlook 502 Bad Gateway: Troubleshooting Checklist

If you see a 502 bad gateway error in Outlook, it usually means the server gateway is misconfigur...

Fix Task Scheduler Blank Screen: No Tasks Showing

You open Task Scheduler to manage your automated tasks, but the task list is empty—just a blank w...

How to Fix Microsoft Store Not Opening After Update

After a Windows update, the Microsoft Store may fail to open—clicking the icon does nothing, or i...