In December 2021, a date-related logic bug (colloquially termed "Y2K22") was identified in Xilinx Vivado versions 2019.1 through 2021.1. The bug caused the software to crash or hang upon opening projects or generating IP when the system clock advanced past January 1, 2022. This paper details the root cause of the failure and provides a validated, step-by-step procedure for installing the official patch released by AMD/Xilinx.