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

Fix Windows Security Won't Turn On Real-Time Protection

You click the toggle to enable real-time protection in Windows Security, but it switches back off...

Chrome Authentication Failed Sync: Causes and Fixes

When Chrome shows an authentication failed error during sync, your bookmarks, passwords, and sett...

Fix Windows Defender DNS Error Permission Denied

You run a scan or update in Windows Defender and see an error like "DNS error permission denied" ...

Fix Windows 11 Update Error 0x80070005 (Access Denied)

When you see error 0x80070005 during a Windows 11 update, it usually means the update process lac...

Fix nvm not working in CMD or PowerShell on Windows