I fixed my sophos with one script for RunOnceEx.cmd START.vbs WScript.Sleep 120000 is 120 sec, can be lower, i created selfextracting rar 383_ides.exe it extract to Sophos SWEEP for NT.
just register the program then take the file flashfxp.key in your install folder. Now you muss make an self-extraction rar file that contains this flashfxp.key. So now you can just make lake this