if you're having problems running some peripheral orbiter software, and you get the "MSVBVM50.dll missing" error, theres a 99% chance this will fix it (it works for my own computer)
just copy the two files inside this RAR to the directory of the program you're having trouble with (RG, meshwizard) and it should then run fine
i decided to put it here, as it may be the first place orbinauts look for this dll, and its more trustworthy than the sleezy dll repositories.
happy orbiting!