After you received your .spc (security provider certificate) and .pvk (private key) from Tashilon.

To sign the file you need to run signcore.exe (it is in the /bin directory of the ActiveX SDK) Fill all the information and it should sign the .cab file.

To test the cab file use the chktrust command from an MSDOS prompt. (Still in the /bin directory of the ActiveX SDK)