Hello everyone, my name is jesse jameson. I am employed as a technician. The majority of Quicken users have difficulty syncing data with online storage. QuickBooks Error 3371 may be caused by a faulty or missing file. MSXML is a crucial Microsoft component that the QB application requires. This file is required in order to get the data contained in the QBregistration.dat file. Perhaps you are using an earlier version of the Windows operating system. The most recent version of QB may be incompatible with earlier Windows versions. There may be some issues with a network connection.