Command Prompt Service Unavailable: Troubleshooting Checklist
When you open Command Prompt and see 'Service unavailable' or 'The requested service is not avail...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listHow to Fix BitLocker High Memory Usage
If your system is running slowly and Task Manager shows BitLocker using a lot of memory, you're n...
Fix KMS Activation Error: Port 1688 Already in Use
When activating Windows via a Key Management Service (KMS) host, you may encounter the error
Fix Windows Activation Backup Restore Permission Denied Error
When you try to restore a Windows activation backup—often from a saved Tokens.dat or...
Fix Windows Terminal Dependency Conflict Not Working
Windows Terminal may stop working due to dependency conflicts, often after a Windows update or in...
How to Fix PowerShell Connection Refused Error
When you see Connection refused in PowerShell, it usually means the remote computer ...
Topic paths
Quick titles
Task Scheduler Shows No Tasks? Fix Blank ScreenBitLocker Cache Cleanup Guide for WindowsWindows Terminal Missing from Start Menu: FixFix Endless Checking for Updates in Windows 10/11OneDrive Permission Denied After Migration FixTroubleshoot Windows Update Not Syncing with ServerHow to Fix Outlook Connection Refused in Exchange SetupTroubleshooting HTTP 407 Proxy Errors in CMD