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

How to Fix Windows Security Log 'Permission Denied' Error

When you try to open the Windows Security Log in Event Viewer and get 'Permission Denied' or 'Acc...

Windows Store App Downloads Not Starting – Fixes That Work

You click install, but the download bar never moves. Maybe it shows “Pending” or just freezes. Th...

Fix Windows Update Offline Installer Not Working on Windows 10

You download the .msu or .cab file for a Windows 10 update, double-click it, and nothing happens—...

Fix 'Windows Defender Not Recognized' Error in Command Prompt

Fix Windows Security Antivirus Not Turning On

You open Windows Security and see that the antivirus is off, with no obvious way to turn it on. T...

Fix Chrome 404 Error by Disabling Extensions

If you're seeing a 404 error in Chrome but the page loads fine in another browser, a misbehaving ...