Fix Windows Security Virus Protection Disabled Error
If Windows Security shows that virus & threat protection is disabled or turned off, you may see a...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listOutlook Migration Checklist Before Switching to Office 365
Planning to move from an on-premises Exchange server or a standalone Outlook setup to Office 365?...
How to Fix Windows Defender Not Turning On
Windows Defender (now called Microsoft Defender Antivirus) sometimes refuses to turn on or stay o...
Chrome Cannot Connect to localhost: Common Fixes
You try to open http://localhost in Chrome and get an error like 'This site can’t be reached' or ...
How to Fix Outlook Dependency Conflict During Setup
When setting up a new Outlook profile or installing an add-in, you may see a message like "A depe...
Fix Microsoft Teams File Locked Not Opening
When you try to open a file in Microsoft Teams and get a “file locked” or “this file is locked fo...
Topic paths
Quick titles
Troubleshoot Windows Update TimeoutHow to Fix Nginx 502 Bad Gateway ErrorsResolving Task Scheduler 0x80070020: File in UseFix 'Path Not Found' Error in Command PromptResolve Windows Search Offline Installer ErrorsTroubleshoot ipconfig flushdns and arp -d FailuresVS Code Debugger Not Working After Update: How to FixTroubleshooting Chrome High CPU After Update