How to Unlock a File Locked by Windows Security
You try to open, move, or delete a file, but Windows shows a message like "This file is blocked b...
Software comparisons, alternatives, and tool decision notes.
Fit
Decision
Migration
Latest comparisons
Browse labHow to Fix Windows Security High Memory Usage
You open Task Manager and see Windows Security (or Antimalware Service Executable) using 500 MB o...
Microsoft Store Timeout Error: How to Fix It
You open Microsoft Store to download or update an app, and after a long wait you see a timeout er...
How to Restore Windows Security Missing from Start Menu
If Windows Security (formerly Windows Defender) has disappeared from your Start Menu, it usually ...
How to Fix 'Permission Denied' Error When Opening Outlook Attachments
You try to open an attachment in Outlook and get a 'permission denied' message. The file might be...
Fix Microsoft Store DNS Error After Windows Update
After a Windows update, you might see a DNS error when opening Microsoft Store. The app may fail ...