Twice in the last week, when I manually downloaded the daily MSE defs, I get a popup that says "You must close Firefox". This surprised me since I close the browser before downloading the defs. What could be happening?
"You must close Firefox" popup
#1
Posted 15 November 2018 - 04:17 PM
#2
Posted 16 November 2018 - 10:30 AM
Firefox is still running in the background.
#3
Posted 16 November 2018 - 03:34 PM
#4
Posted 16 November 2018 - 05:00 PM
Hmmm... Have you tried using Windows' "System Restore" to roll Windows back to a previous state when your computer was functioning correctly? It allows you to undo system changes without affecting your personal files, such as e-mail, documents, or photos.How To Use System Restore (Windows 10, 8, 7, Vista, XP)
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If that didn't work, I'd try restoring my latest backup. (I use Macrium Reflect Free to do a full backup weekly, Even if I'm using the computer. Doesn't matter).
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If still no luck, it may be type of Malware infection. Recommend reading these instructions first: Malware and Spyware Cleaning Guide. Then click here to start a new topic the Virus Spyware, and Malware removal forum. After you've been given a clean bill of health from one of our Malware experts, and if you're still having the same problem, return to this thread se we can pursue some other options.
#5
Posted 19 December 2018 - 07:05 AM
It looks like a virus. There are many of them now that look like pop-up windows.
Moreover according to your screenshot it seems like antivirus is turned off.
Scan your computer and check all the soft for updates. It's very easy to catch a warm now.
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