Fix Windows Defender Service Not Starting (Error 0x80070422)
You try to start Windows Defender but get error 0x80070422: “The service cannot be started, eithe...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listHow to Fix Microsoft Store Network Error
You open the Microsoft Store to download an app or update, and instead you see a network error me...
How to Repair Corrupted Windows Security Service Files
If Windows Security won't open, shows a blank screen, or throws errors like "Security service has...
How to Fix Outlook 504 Gateway Timeout Server Issue
When Outlook throws a 504 Gateway Timeout error, it usually means the server your email client is...
Fix Windows Search Indexing Stuck on Paused
You open Indexing Options and see the status says 'Paused'. Windows Search has stopped building t...
How to Run Windows Defender Offline Scan to Remove Stubborn Malware
If your PC is acting sluggish, showing pop-ups, or Windows Defender keeps finding threats it can'...
Topic paths
Quick titles
Jupyter Kernel Not Starting in Anaconda: FixesInstall SSL Certificate Windows Server 2019 GuideChrome Authentication Error Troubleshooting GuideResolve Docker Port Conflict When Port Appears FreeHow to Set Up Command Prompt for Network TroubleshootingRemote Desktop Clipboard Troubleshooting GuideCheck kubectl Context When You Get Connection RefusedDocker Desktop WSL2 Integration Guide