I was on Facebook and got locked out of my computer

Welcome Teresa Stevenson,

Thank you for reaching out to the Microsoft Q&A forum. I am sorry to hear about your issue when you receive a warning stating: Windows Defender security has disabled your computer. Please contact Microsoft Windows support to unlock your computer toll free.

This is not an error from Microsoft, but rather a scam website designed to trick users into calling a fake phone number. Your computer is not locked by Microsoft.  

You can follow the steps below to keep your device safe: 

Step 1: Immediately close the browser tab or window displaying the scam popup, or force-quit the browser using Task Manager (press Ctrl + Shift + Esc, find your browser such as Edge or Chrome, and select End Task). 

Step 2: Restart your PC in Safe Mode: 

Hold Shift for 5–10 seconds > click Power > Restart.  After that, go to Troubleshoot > Advanced options > Startup Settings > Restart, and select option 4 or 5 to enter Safe Mode. 

Step 3: Reset your browser:  Go to Microsoft Edge > click on the three dots > Settings > Reset settings. 

Note: Your computer is not actually disabled. Microsoft never locks devices in this way or uses such toll-free numbers. 

I really hope that the information I gave above was helpful to you. Please feel free to reply below and let me know if you have further concern on this matter.    

PS: If the answer is helpful, please click "Accept Answer" and kindly upvote it. If you have extra questions about this answer, please click "Comment".     

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