Sign That You Have Malware: Flashing Windows Keep Popping Up

Determining whether or not malware is to blame for any given troubleshooting issue can be tricky. Some malware-caused issues manifest as simple application instability, slowness or seemingly random freezes. However, there are a few instances in which malware is a more-than-likely culprit. In this series of articles (“Signs That You Have Malware”), we’ll explore some of the tell-tale signs and reiterate the best methods for ridding your system of the infection.

Today’s sign: One or more flashing windows that suddenly pop up then disappear. Generally these windows are blank and cannot be closed, re-opened or otherwise manipulated.

Why it might be malware A constantly reappearing but non-functional window can be the result of an unwanted executable attempting to run.

How to get rid of it Start with Malwarebytes Anti-Malware, a shareware malware and spyware removal tool that can eliminate many types of unwanted executables.

Next, move on to Microsoft’s Malicious Software Removal tool. Microsoft releases an updated version of this tool on the second Tuesday of each month, and “as needed to respond to security incidents.” You can keep it up to date with Microsoft Update, Windows Update and the Microsoft Download Center

Finally, run a scan with a good anti-virus package. AVG is free, and comes highly recommended by users and experts alike. Just remember, stick to one good anti-virus package. Installing multiple anti-virus programs can actually weaken your protection and introduce performance and stability issues. The following anti-virus apps are also recommended:



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