Windows Defender Troubleshooting Guide for IT Admins
Windows Defender (Microsoft Defender Antivirus) is the default endpoint protection in Windows 10 ...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listWhere to Find Windows Defender Offline Scan Logs
After running a Windows Defender Offline scan, you may want to review which threats were detected...
Fix Windows Defender Permission Denied on Scan
If you see a 'Permission Denied' message when running a Windows Defender scan, it usually means t...
Fix BitLocker DNS Error Permission Denied
If you see a BitLocker DNS error permission denied message, it usually means the...
Fix VirtualBox Kernel Driver Not Installed Error
When you try to start a virtual machine in VirtualBox and see "Kernel driver not installed (rc=-1...
Fix Windows Security Virus Scan Slow Performance
If your Windows Security (formerly Windows Defender) virus scan takes forever or slows down your ...
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