GBPoll.exe
(Roxio)
This is the GoBack Polling Service. Read GBTRAY below for more details on Roxios GoBack. According to Roxio, GBPOLL performs background services in support of GoBacks various functions and is essential to the good functioning of the product.
Recommendation :
You have it from the horses mouth : leave it alone. That said, both GBTRAY and GBPOLL have been known to prevent ScanDisk and Defrag from completing, so you may need to temporarily disable them with Starter if you want to run ScanDisk/Defrag.