Due to a problem in the installer for the Quartus® II software version 12.0 SP1, IP functions generated in this version of software may not reflect the latest updates. This problem affects users who installed Service Pack 1 on top of an existing installation of the Quartus II software version 12.0. Users who installed the Quartus II software version 12.0 SP1 using a standalone or base installer are not affected.
To identify whether your Quartus II software installation is affected by this problem, examine the size of the file <Altera software installation directory>/ip/altera/common/lib/sopc_wizard.jar. The correct filesize is
493324. In Quartus II software installations affected by this problem, the filesize is
493321. If your filesize matches this incorrect value, download and install the patch below.