Fix 'powershell not recognized as internal or external command'
When you type powershell in Command Prompt or a script and see the error "'power...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listWindows Defender Offline Scan Setup Guide
If your Windows PC is infected with malware that won't go away with a normal scan, a Windows Defe...
How to Fix Outlook 404 Not Found When Clicking Links
When you click a link in an Outlook email and see a '404 Not Found' error, it usually means the l...
Fix VirtualBox Kernel Driver Not Installed Error 0x80004005
You try to start a virtual machine in VirtualBox and get the error: Kernel driver not ins...
Setup Windows Defender to Trust an SSL Certificate
If you're running a local development server or an internal application with a self-signed or pri...
Fix Chrome Profile Version Mismatch Errors
You open Chrome and see a message like “Your profile cannot be used because it is from a newer ve...
Topic paths
Quick titles
Windows Update Stuck on Checking for Updates? Fix ItWindows Terminal Diagnostic ChecklistWindows 11 BitLocker Standalone SetupHow to Fix Windows Defender Real-Time Protection Authentication FailedFix Cloudflare DNS Not Working on Router SetupFix WinSCP Permission Denied When Uploading FilesSet Microsoft Store App Install Location to Another DriveFix Windows Search 504 Gateway Timeout via Registry