4.74 ((top)) - Mdk-arm Version

MDK v4.74 uses the older .uvproj file format. While newer versions of Keil (MDK v5.xx) can open these, they will often prompt you to migrate to the newer .uvprojx format and install .

He never used MDK v4.74 again. But that wasn't the end. The next morning, when he reimaged his PC and installed a fresh copy of v5.36, he saw a familiar entry in the build log: mdk-arm version 4.74