Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

View list

Fix Outlook 'Permission Denied' Error When Opening Attachments

When you try to open an attachment in Outlook and see a 'permission denied' error, it usually mea...

Fix DNS Server Not Responding Using Command Prompt

When you see a "DNS server not responding" error, your browser can't translate domain names into ...

Fix 'Windows Activation Module Not Found' Error in Windows 10

If you see the error 'Windows Activation Module Not Found' when trying to activate Windows 10, th...

Checklist: Windows Update Service Not Running in Services.msc

When you open Services.msc and see that the Windows Update service (wuauserv) is not running, or ...

Fix PowerShell Execution Policy Error on Windows

When you try to run a PowerShell script and see 'cannot be loaded because running scripts...

Configure Windows Update to Trust a Custom SSL Certificate
If you manage Windows updates in an enterprise environment, you may need to use a custom SSL cert...