How to Fix Invalid Configuration in Command Prompt
You open Command Prompt and see an error like "Invalid configuration" or "Configuration system fa...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix Windows 10 Activation SSL Certificate Errors
When trying to activate Windows 10, you might see an error like "We can't activate Windows on...
Fix Windows Defender High Memory Usage & Error 0x80070002
You might see Windows Defender consuming a lot of memory, and then get error code 0x80070002 when...
Fix Windows Search Not Finding External Hard Drive Files
You connect an external hard drive, open File Explorer, and see your files. But when you search f...
Fix Remote Desktop Certificate Error Authentication Failure
You attempt to connect to a remote PC via Remote Desktop (RDP) and see an error like “Authenticat...
Fix Microsoft Store Error 0x80073cf0 After Reset
After performing a system reset or refresh, you might encounter Microsoft Store error 0x80073cf0 ...
Topic paths
Quick titles
Troubleshoot Microsoft Store Not Working After UpdateResolve Windows Search Index Permission DeniedDiagnose Network Issues with Command PromptTroubleshooting Windows Defender and Security IssuesTroubleshooting 502 Bad Gateway in Chrome with VPNWhy Docker Compose Build --no-cache Is Slow and How to Fix ItFix Microsoft Teams Microphone Not Working Windows 10Fix BitLocker Login Loop After BIOS Update