Fix Windows Defender Service Unavailable Error
You open Windows Security and see the message 'Windows Defender service unavailable' or 'Windows ...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listConfigure Remote Desktop for Multiple Users on Windows
If you need multiple users to log into the same Windows machine at the same time via Remote Deskt...
How to Fix WSL Ubuntu Internet Not Working After Update
After a Windows update, you may find that your WSL Ubuntu instance has lost internet connectivity...
Fix Task Scheduler DNS Errors in Windows 10
If you see DNS-related errors in Task Scheduler—like 0x80072EE2 or 0x80072EFD<...
Fix Windows Search Proxy Error 0x80070490
If you see error 0x80070490 when using Windows Search, it usually means a system component is mis...
How to Install Windows Security on Ubuntu (via Virtual Machine or Wine)
If you're looking to run Windows Security (Microsoft Defender) on Ubuntu, you've hit a fundamenta...
Topic paths
Quick titles
How to Fix Windows Security Blank Screen IssueHow to Fix Windows Defender Service Unavailable in Windows 10Resolve Windows Search Access Denied ErrorHow to Free Allocated Ports for Microsoft StoreRemote Desktop Connection Guide for Home OfficeHow to Fix Chrome Profile Loading After UpdateFix Windows Defender Installation Error on UbuntuHow to Reset Outlook Settings Safely