Fix Windows Activation Command Error 0x80070002
When you try to activate Windows using the command line—for example, running slmgr /ato
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix Command Prompt 502 Bad Gateway Due to DNS Issues
If you're seeing a 502 Bad Gateway error while using Command Prompt to access a web service or AP...
Fix Task Scheduler Authentication Failed Error
When a scheduled task fails with an authentication error, the task typically can't log in as the ...
Jupyter Kernel Not Starting Python Environment: Fixes
You launch a Jupyter notebook, select your Python environment kernel, and the notebook stays stuc...
How to Fix Windows Security Slow to Load Settings
If you open Windows Security and the settings page takes a long time to load or shows a blank scr...
How to Fix Windows Security Not Responding
Windows Security (formerly Windows Defender Security Center) may stop responding, hang on launch,...
Topic paths
Quick titles
Fix Windows Security Migration Permission Denied ErrorFix OneDrive Sync Error 0x8004de40 on UbuntuAntivirus Blocking Outlook Port? Here's the FixHow to Fix Teams Dependency ConflictsResolve Error 0x80040c41 in Windows Search IndexingHow to Fix Microsoft Store High Memory UsageFix Microsoft Store 'File Locked' Error When Installing or Updating AppsNo Internet After Reset? Activate Windows Anyway