Fix Windows Defender Real-Time Protection Turned Off & Connection Refused
You open Windows Security and see real-time protection is off. Trying to turn it on fails with a ...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix PowerShell Command Not Found After Windows Update
After a Windows update, you might see errors like command not found when trying to r...
Fix Windows Activation Error 0xc004c003 After Hardware Change
If you see error 0xc004c003 after upgrading your PC's motherboard, CPU, or other major hardware, ...
Fix Windows Security Proxy Error from Antivirus Conflicts
You open Windows Security and see a proxy error, or your system reports that Windows Security can...
How to Fix Windows Defender Firewall Blocked App
You try to open an app, but it either won't start or can't connect to the internet. A common caus...
Task Scheduler Rate Limit Sync Issue: Causes and Fixes
You set up a task in Windows Task Scheduler to sync data every few minutes, but after a while it ...
Topic paths
Quick titles
Troubleshoot Windows Search Service Startup FailureChrome Profile Service Unavailable: How to FixHow to Restore BitLocker Password Prompt at StartupFix 'Permission Denied' Error on Windows Update Log FileHow to Restore Missing slmgr.vbs for Windows ActivationTroubleshoot Error 0x800f0982 in PowerShell UpdatesFix Slow Windows Update Downloads in Boot Camp or VMHow to Fix BitLocker Version Mismatch Error 0x8031003e