V4 repacks typically come with a .md5 or QuickSFV tool. Use this after downloading to ensure every "bin" file is 100% identical to the original source.
The transition to the V4 architecture brought several technical improvements that set it apart from previous releases and competitors. 1. Multicore Decompression visfed v4 repack
Run the "Verify Files" batch file included in the folder. V4 repacks typically come with a
Which are you currently trying to install with the V4 repack? visfed v4 repack
Compare Visfed to like FitGirl or DODI.