Hi, welcome to TSF
rqRJDwXN.dll is an unknown filename, which could indicate an infection. It will probably take more than just deleting it to fix the problem.
Please follow
these instructions and start a new thread in the
HiJackThis forum where an analyst will help you as soon as possible.
Include in your new thread the name of the software you used to detect the file, and any details the software gives about it being a trojan.