Deus Ex: Human Revolution Cheats
this is likely due to the fact that you have ALOT of items in your inventory. if you drop all the unneccessary items from inventory it will likely work. The options for reload and mega items work on the first 10 or so items in your inventory.
The trainer deactivating itself during loads or between missons, etc. was done on purpose and is to keep the trainer from crashing the game.
[Edited by Caliber, 8/24/2011 9:22:53 PM]