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

Fix Windows Security 504 Gateway Timeout After Reset Settings

If you've reset Windows Security settings and now see a 504 gateway timeout error when opening th...

Fix Windows Defender Access Denied Error When Running Command Prompt as Admin

When you run a Windows Defender command (like MpCmdRun.exe -Scan -ScanType 2) in Com...

Fix Outlook Blank Screen After Office Installation

Symptom and likely cause

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

How to Fix Remote Desktop Permission Denied Access

You try to connect to a remote PC via Remote Desktop (RDP) and get an error like "The connection ...

Fix 'Access Denied' Error in Windows Update on Windows 10

When you try to run Windows Update on Windows 10 and get an 'Access Denied' message, it usually m...

Windows Search Proxy Error Codes: List and Fixes

When Windows Search fails to connect to its online services—like Cortana or web suggestions—it of...