Did you spot urlguard.exe in the Windows Task Manager? Then you have something called Gen.Variant.Symmi running on your machine.
urlguard.exe is currently detected by 7 of the 52 anti-virus programs over at VirusTotal:
You can remove urlguard.exe with FreeFixer by selecting the urlguard.exe file and registry startup entry:
Hope that helped you to get rid of urlguard.exe.
How did you get urlguard.exe on your machine? Please share by posting a comment.