intiter = WebsiteListPrefPtr->find(WebsiteListIndex);
- if (intiter->first == WebsiteListIndex && intiter->second > 0){
+ if (intiter->first == WebsiteListIndex && intiter->second > 0 &&
+ intiter != WebsiteListPrefPtr->end()){
sliPriority->SetValue(intiter->second);
sliPriority->Enable();