I feel its got something to do with code myself, like I said, I've never noticed option files effecting Pro Evo games in the past, but PES 2011 plays better without it. I feel Konami have done something to the edit file, I dont know what, I dont know how, but it is definitely not right.
Its like a new game when you dont have the OF installed, its weird.
I did have a link to a thread (If I find it again ill post it in here) on another site which was very popular, it was the same issues I've said here, but for the PS3, lots of people experiencing the same glitchy, unresponsive gameplay after the OF's were installed. People were trying to find a fix for this by deleting all files, starting a total reset/refresh and then transfering the files over. Some people did "sort" the issues out, but after a while, the problems start coming back.
I dont think it has anything to do with making changes, its just how the game reads the file. It has to process any edits made every single second the disc is in the console, it has trouble processing it maybe?
Dont know, but thats not for me to tell people not to download this OF, because you should, If you want the kits etc, you cant go wrong with this one, its the best 100%.
(PS - Ill send you the edit file I saved on my PC, I have not touched it for about a week or so now, but I did make quite alot of changes to it, since you uploaded it on here. Ill do it later on today mate, no problem.)