Windows Security Backup Configuration Guide
If you've opened Windows Security and found that your virus and threat protection settings aren't...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listHow to Fix Windows Security Missing from Taskbar
If you notice the Windows Security shield icon is missing from your system tray, you're not alone...
Fix Windows Activation: Cannot Connect to KMS Server
You see "Windows cannot connect to your organization's activation server" or a similar message. T...
How to Fix OpenVPN TLS Handshake Failed Error
If you see "TLS Error: TLS handshake failed" in your OpenVPN client log, the connection cannot es...
How to Fix Windows Update File Locked Error
You try to install Windows updates, but the process fails with a message like "Some update files ...
Windows Security Troubleshooting Guide
Windows Security (formerly Windows Defender) usually runs quietly in the background, but sometime...
Topic paths
Quick titles
Fix Windows Activation Auto Start Permission Denied ErrorPip Permission Denied Troubleshooting GuideFix Git 'Fatal: Repository Not Found' Despite SSH Key SetupWindows 11 Microsoft Store network error fixHow to Fix GitHub Actions Permission Denied ErrorsOpenVPN Authentication Error: Causes and FixesFix Command Prompt Blank White Screen with No TextHow to Resolve Error 0xc004f074 on Windows 11