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

Fix Windows Defender Blank Screen via Registry Edit

If you open Windows Defender Security Center and see only a blank white or gray screen, the inter...

Fix Outlook Blank Screen After Office Installation

Symptom and likely cause

After installing or updating Microsoft Office, Outlook may open ...

Fix Windows Update Module Not Found Error: Tool Usage & Repair

If you see an error message saying 'Windows Update module not found' or 'wuapi.dll is missing', W...

Fix Windows Activation Error 0x80070005 504

You try to activate Windows and see error code 0x80070005 with a trailing 504. This usually means...

Fix Chrome 504 Gateway Timeout When Loading Profile

You open Chrome, and instead of your usual start page, you see a "504 Gateway Timeout" error. Thi...