Fix Windows Defender 404 Error in Command Prompt
When you try to run Windows Defender commands from Command Prompt and get a '404 Not Found' error...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFirefox Profile Missing Troubleshooting Checklist
When Firefox starts but shows none of your bookmarks, passwords, or extensions, the profile may b...
Chrome Loading Slow? 8 Practical Fixes to Try
If Chrome is loading pages slowly, you're not alone. This can happen for several reasons, from to...
Fix 'Running Scripts Is Disabled' Error in PowerShell
When you try to run a PowerShell script and see 'running scripts is disabled on this syst...
Setup PowerShell Offline Installer on Multiple Computers
When you need to install PowerShell on several Windows machines that lack internet access, the st...
Fix PowerShell Cannot Connect to Office 365
You open PowerShell, run a command to connect to Office 365, and get an error: "Cannot connect to...
Topic paths
Quick titles
Fix Chrome 'Connection Refused' on Linux ProfilesSafe Mode CPU Spike from Activation ServiceChrome Profile Can't Access Google Services: Fix GuideResolve Error 0x80070002 in Windows UpdateTroubleshooting Windows Update Connection IssueFix 'Chrome Service Unavailable' Error in macOSHow to Resolve Update Error 0x800f081fFix 504 Gateway Timeout After Windows Update