Checklists for software errors, setup, and tool workflows.

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Fix Windows Update Error 0x80072efd: Connection Refused

When Windows Update fails with error 0x80072efd and a message that the connection was refused, it...

Fix PowerShell Connection Timeout Due to Firewall Settings

You're running a PowerShell command that connects to a remote system, and it hangs for a while be...

Fix Chrome ERR_TUNNEL_CONNECTION_FAILED Caused by Antivirus

When Chrome shows ERR_TUNNEL_CONNECTION_FAILED, it usually means a secure tunnel...

Fix Microsoft Store Not Responding or Slow Startup on Windows 10

If the Microsoft Store takes forever to open, freezes on startup, or shows a blank white screen o...

Fix Command Prompt Service Unavailable After Update

After a Windows update, you might see the error "Command Prompt service unavailable"

PowerShell Not Opening on Windows 10: Quick Fixes
If PowerShell won't open on Windows 10—no window appears, it flashes and closes, or you get an er...