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 Command Prompt Blank Screen After Startup
If Command Prompt (cmd.exe) opens to a blank screen with no prompt or cursor, the issue is usuall...
Fixing Windows Security Proxy Configuration Issues
When Windows Security (formerly Windows Defender Security Center) can't update virus definitions ...
Fix 'Artisan Command Not Found' After Composer Install
You just ran composer install in your Laravel project, but when you try php ar...
Download PowerShell Offline Installer for Windows 10
If you need to install PowerShell on a Windows 10 machine that has limited or no internet access,...
Fix Windows Defender Firewall Blocking Internet Access
If your internet stops working after a Windows update or security change, Windows Defender Firewa...
Topic paths
Quick titles
Windows Update 504 Gateway Timeout Firewall FixMicrosoft Store Failed to Install: Error Fix GuideReset DNS Cache Not Working: SolutionsTroubleshooting Error 0x81000019 in Windows BackupHow to Fix Remote Desktop Credentials Not Working in Windows 10Setting Up Windows Security on a Mac: A Practical GuideHow to Fix Nginx 502 Bad Gateway ErrorHow to Fix BitLocker Loading Loop