Yetesoft Blog FAQ: MDAC Errors and Solutions

MDAC (Microsoft Data Access Components) is a Microsoft framework to access almost any data store. 1and1Mail adopts MDAC when accessing Address Book. If there is a problem with the MDAC on your PC, 1and1Mail cannot work properly. 1and1Mail will encounter the following erros when MDAC cannot function properly: 1and1Mail cannot star Show error "Cannot find [...]