Fix Task Scheduler Error 101: Failed to Start
You see Event ID 101 in the Windows Event Viewer under TaskScheduler, and the task didn't run. Th...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listHow to Fix Windows Security Real-Time Protection Not Turning On
If you see that Windows Security's real-time protection is stuck off and won't turn on, you're no...
How to Fix CMD High Memory Usage
If you notice that Command Prompt (cmd.exe) is using an unusually high amount of memory (e.g., hu...
PowerShell Command Not Found but Works in CMD
You open PowerShell, type a command you know works in Command Prompt, and get an error like
Fix Windows Security Auto-Start Not Working After Update
After a recent Windows update, you might notice that Windows Security (formerly Windows Defender)...
Fix Windows Update 502 Bad Gateway Related to Proxy Settings
If you see a "502 Bad Gateway" error when running Windows Update, it often points to a problem wi...
Topic paths
Quick titles
How to Use Windows Security Backup ToolChrome 403 Forbidden Troubleshooting GuideMicrosoft Store Not Working? Try These FixesHow to Resolve Server Timeout During Windows ActivationFix Silent Teams Setup Update FailuresPowerShell Authentication Failed: Password Expired FixPHP Composer Memory Error: Quick Troubleshooting GuideHow to Break Windows Defender Login Loop in Safe Mode