How to fix RunDLL Sysmenu.dll error on Windows 10 startup

How to fix RunDLL Sysmenu.dll error on Windows 10 startup

Some Windows 10 users can face RunDLL Sysmenu.dll error. The issue, in the form of pop-up message, occurs when Windows is starting. Let’s try to figure out what is the RunDLL Sysmenu.dll error. Well, it is not the system error. Actually, Sysmenu.dll error is just a part of malicious adware, which means, from now on, a lot of intrusive ads will be displayed on every webpage you visited. Mainly, the information produced by such ad is related to discount coupons.