You may have see these pages.
If mqrt.dll is located in one of the following reg keys I would be suspicious and post logs in the BC virus removal section. If the file is in C:\Windows then that would be a warning flag too.
Edit: That process is not running on my XP computer. The file is in C:\Windows\System32
Edited by JohnC_21, 10 August 2018 - 11:26 AM.