Hi,
I encoutered the same issue: since its last update, SpyBot S&D quit near the end of a scan, in ZQest.K8L search. After reading the prost of 200spy, I Proceeded by trial and error and so I identified that search of several types of products caused the unrelevant ending: dialers.sbi, malware.sbi, malwareC.sbi, spybots.sbi, spybotsC.sbi.
Differently from 200spy, unselecting only malware.sbi and/or renaming qfecheck.exe (located in \windows\system32 rather than \windows on my PC) didn't solve the problem. But replacing new version of advcheck.dll by the pevious one did!
Now Spybot S&B seems to work fine with previous version of advcheck.dll
Thanks again