Fix Windows Defender Invalid Configuration Error
You may see an error like “Invalid configuration” when opening Windows Defender or trying to run ...
Software comparisons, alternatives, and tool decision notes.
Fit
Decision
Migration
Latest comparisons
Browse labWindows Security Full Scan Stuck at 99% – How to Fix
You run a full scan in Windows Security, it reaches 99%, and then nothing happens for minutes or ...
Fix Chrome Extension Permission Denied Error 0x80070005
When installing or updating a Chrome extension, you may see error code 0x80070005 with a message ...
Fix Microsoft Teams SSL Certificate Errors: Step-by-Step
You launch Microsoft Teams and see an error like "Can't connect to server" or "SSL certificate er...
Fix Permission Denied Errors in GitHub Actions Workflows
You're running a GitHub Actions workflow and it fails with a permission denied error...
How to Enable Windows Defender After It Failed to Start
If Windows Defender won't start, you may see an error like "This app has been turned off" or "Win...