Checklists for software errors, setup, and tool workflows.

Fix Microsoft Teams Microphone Not Detected in Windows

Common Causes

• Microphone permissions disabled for Teams in Windows settings.

Fix Windows Defender High Memory Usage & Error 0x80070002

You might see Windows Defender consuming a lot of memory, and then get error code 0x80070002 when...

Fix 'Windows Activation Script Not Working Command Not Found' Error

When you run a Windows activation script (typically a .bat or .ps1 file) and see 'command not fou...

Windows Defender Real-Time Protection Off but Still Scanning: Fix

You turn off real-time protection in Windows Defender, but scans still run. This can be confusing...

Fix Windows Security Service Unavailable Permission Denied

You open Windows Security and see 'Service unavailable' or 'Permission denied'. The app may not o...

Fix Windows Search DNS Error After Network Change

If Windows Search stops working after you change networks — for example, moving from office Wi‑Fi...