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

Fix Chrome Profile Port Already Allocated Error

How to Fix 'Windows Security Blocked File from Opening' Error

You try to open a file, and Windows Security blocks it with a message like “Windows Security bloc...

Fix OneDrive Sync Not Starting After Windows 11 Update

After a Windows 11 update, you might find OneDrive simply won't start syncing. The icon may be mi...

How to Fix Windows Security Not Working

Windows Security (formerly Windows Defender) may fail to open, show a blank page, or refuse to up...

How to Set Up Automatic Backups in Windows 11: Step-by-Step

If you're using Windows 11 and want to protect your files without remembering to run manual backu...

Fix Windows Security 502 Bad Gateway Error

If you're seeing a "502 Bad Gateway" error when opening Windows Security (also known as Windows D...