well kadal27, it appears that ur pc has been infected with Adware.DeluxeCommunications.Process, a SurfSideKick variant.
download FixDXC.reg fix/tool from
http://download.bleepingcomputer.com/reg/FixDXC.reg
for detailed removal instructions click
http://www.bleepingcomputer.com/forums/topic66364.html
generally to remove this or any file u can use the tool 'delete doctor' from
www.diskcleaners.com Lock the file with this utility -it gets deleted during boot-up. 'unlocker' is another such good utility.
also clear up ur pc junk with ccleaner from
www.ccleaner.com if posbl.
if problem stl persists, post ur hijackthis logfile here.
have an adware free day !