Are you interrupted byQuickBooks error 1335, when trying to work on your software update? Well, the error indicates data1.cab file that is very much crucial during the process of installation turns out to be either missing or shows some signs of damage. And this in turn brings up QuickBooks error to you. The error seems to be a bit unique for some of the QuickBooks users, and flashes on the screen stating: The cabinet file required for this installation is corrupt and cannot be used. Though the error isn’t that tricky to resolve, but finding the real time fixes can be a bit difficult without understanding the actual reasons. To make the process quick and easy for you, we have tried to summarize the required info in this segment.