2005? Where is your old accout?
Since your using Win7.
1. Strip your IE to IE9 as a min.
2. Tell all secuirty to ignore the trainer file and its location. Or just turn them all off. (Either should do fine).
3. If running through steam. Make sure steam is starting in admin mode.
4. Run Trainer in Admin mode always for all trainers.
5. Delete the trainer and redownload, could be corrupt maybe.
6. Check your game version to.
7. Check event veiwer when your are runing the trainer. To see what could be effecting it.