I am trying to reinstall my wsx5_ev_v10.exe

Running a VM (.vmdk) under microsoft windows XP home edition version 2002, sp3

I installing_the wsx5_ev_v10.exe software

At the point after having "installed files" and "Launched X5 Register" the
error box:

    imRegister.exe .Netframework initialization error
    "unable to find a version of the runtime to run this application"

Can you help with a fix to this problem