
Windows Activation Service Unavailable on New Computer
You just set up a new computer, but when you try to activate Windows, you see an error that the a...
Software troubleshooting desk

You just set up a new computer, but when you try to activate Windows, you see an error that the a...

If your computer feels sluggish and Task Manager shows that Windows Security (or Antimalware Serv...

You try to delete a file, and Windows tells you it's locked by Windows Security. This often happe...

If you've noticed that Windows Search is slow, returning incomplete results, or using high CPU, t...

After updating Chrome, some users see the error “Profile service unavailable” or “Sign in error: ...

You set up OneDrive, pointed it to a folder, but nothing syncs. Files stay local, the cloud icon ...