How to Fix Remote Desktop Invalid Configuration Error 0x4
When you try to connect to a remote desktop and get "Invalid configuration" with error code 0x4, ...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listWindows Update Service Not Running: How to Fix
If Windows Update fails to check for updates and you see an error like “Windows Update service is...
Outlook Crashing When Opening Attachments: Common Fixes
If Outlook closes or freezes every time you try to open an attachment, you're not alone. This usu...
Fix Windows Security Token Expired Configuration Error
If you're seeing an error about a security token being expired or configuration being invalid, it...
How to Fix Windows Security Error 0x80070422
You open Windows Security and get error 0x80070422, or see a message that the app can't start. Th...
Fix Windows Security Auto Start Registry Settings
If Windows Security (formerly Windows Defender) isn't starting automatically when you boot your P...
Topic paths
Quick titles
How to Restart Windows Defender ServiceFix Chrome Profile Access Denied on Windows 10Blank Search Box Windows 10 SolutionWindows Terminal RAM Usage Stays HighTroubleshoot Windows Defender Configuration IssuesOutlook Email Send Failure: Common FixesChrome Profile Access Denied Error: Step-by-Step GuideResolve 'Access Denied' in CMD File Deletion