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

Fix Windows Defender Real-Time Protection Greyed Out

You open Windows Security, go to Virus & threat protection, and see that the Real-time protection...

Fix Chrome Profile Sync After Offline Installer Setup

You installed Chrome using the offline installer (the full setup file), but now your profile won'...

Fix 'Security Module Not Found' in Windows Defender

If you see a message in Windows Security that says something like "Security module not found" or ...

How to Change DNS Server to Fix Windows Update Error

If you're seeing Windows Update errors like 0x80072EFD or 0x8024402C, t...

How to Fix OneDrive 404 Error When Opening Shared Files

When you click a shared OneDrive link and see a 404 error, the file is not deleted or corrupted—u...

Chrome SSL Protocol Error Troubleshooting Guide