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

Fix Windows Defender Service Not Starting (Connection Refused)

When you see 'Windows Defender service not starting – connection refused', it usually means the s...

Chrome Extension Not Working After Update: Fixes

After a Chrome update, some extensions may stop working, show errors, or disappear. This usually ...

Microsoft Store High Memory Usage: Troubleshooting Checklist

If you notice the Microsoft Store process (RuntimeBroker.exe or WinStore.App.exe) consuming hundr...

Fix 'Cannot Open as Archive' Error for 7-Zip Password Files

You try to open a password-protected .7z or .zip file with 7-Zip and get the error 'Cannot open a...

Fix Chrome 'Permission Denied' for Notifications Not Working

You click "Allow" for notifications in Chrome, but the site says "permission denied" or the notif...

Fix Windows Security Authentication Error 0x80070035