The QuickBooks Error 1648 appears when you download or install the latest updates or your QuickBooks. The error comes up on your screen for multiple reasons, but one of the primary reasons for this error is having a corrupted installation file. Due to this error, you will be restricted from performing your day-to-day tasks in QuickBooks. There are different signs of the error; we listed a few later in this blog. Follow this detailed blog guide and try to eliminate this error