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

Fix Windows Security Blank Screen in Safe Mode

If you boot into Safe Mode and open Windows Security only to see a blank white or gray screen, yo...

Fix Microsoft Store Missing or Command Not Found in Start Menu

If you type 'store' in the Start Menu search and see no result, or if the Microsoft Store icon ha...

Fix Outlook Reset Settings Permission Denied Error

How to Fix Windows Defender Proxy Error

If you see a proxy error in Windows Defender—often something like "Your IT administrator has limi...

Fix Microsoft Teams 504 Gateway Timeout During Setup

You're setting up Microsoft Teams and hit a 504 Gateway Timeout. The setup process stalls, and yo...

How to Fix Microsoft Store Not Working After Update

After a Windows update, the Microsoft Store may fail to open, load slowly, or show error codes. T...