How to Fix Windows Security Service Not Running
If you see an error that the Windows Security service is not running, the Security Center or Wind...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix Windows Security Auto Start Registry Settings
If Windows Security (formerly Windows Defender) isn't starting automatically when you boot your P...
How to Set Up Command Prompt Offline in Windows 10
If you need to set up Command Prompt on a Windows 10 machine that has no internet access, the pro...
Fix Postman SSL Certificate Errors on Windows 10
If you see SSL certificate errors in Postman on Windows 10—like Error: unable to verify the...
Fix Microsoft Teams High Memory and CPU Usage
You open Task Manager and see Microsoft Teams using hundreds of MB of RAM and pegging the CPU. Th...
Fix Microsoft Store Not Opening After Windows Update
After a Windows update, the Microsoft Store may fail to open—clicking the icon does nothing, or i...
Topic paths
Quick titles
How to Resolve Windows Store Error 0x80073cf9Reduce Task Scheduler Memory ConsumptionFix 'Connection Refused' in Command PromptWindows Defender Offline Scan Not Working After Update: FixesFix BitLocker Service Unavailable via Command LineTroubleshooting Command Not Found Errors with Environment VariablesHow to Fix Outlook 504 Gateway Timeout ErrorTask Scheduler GUI Not Loading? Fix Blank Screen Issues