Create a batch file and then use the "open with" explorer option to relate ULL files with this bat file
Of course you will have to change the paths to suit your needs
@ECHO OFF MKDIR C:\ULLTEMP c:\a3server\tools\a3ull /d %1 c:\ulltemp\%~nx1.bin c:\a3server\tools\hex\xvi32 c:\ulltemp\%~nx1.bin