Run malwarebytes full scan if it is a malware infection it should find it.
otherwise you can open up task scheduler:
a. Click Start button
b. Type: Task scheduler
c. Press enter and look for taskeng.exe
Please follow the instructions:
1. Go to the Start menu.
2. Type task scheduler and press enter.
3. Press continue on the UAC popup.
4. In the left pane of task scheduler, underneath Task Scheduler Local, right-click on Task Scheduler Library.
5. In the View submenu, make sure the Show Hidden Tasks option is checked.
6. Widen the Name column in the center pane. The hidden task that is likely at fault has a name that starts with User_Feed_Synchronization, followed by a dash and a bunch of digits inside a curly brace.
7. Select that...