Board Thread:Plants vs. Zombies 2: It's About Time/@comment-25579888-20141025140550

My Google+ account saved the edited pp.dat, and deleted my old savefilesi tried to use the edited pp.dat to play and test out the new premium plants and stuffs (my pvz2 version is 2.9.1)

however when i put the modded pp.dat in the "No_Backup" folder, my google+ account is still logged in (i did make a backup pp.dat, which i renamed it to pp.dat.original)

i didnt think it would save the modded pp.dat but it did. and now when i  want to revert back to my old savegames it doesnt let me

i move back my old pp.dat to replace the modded pp.dat. Then when i open the game, the game crashes...

Then i try reinstalling the game, then log in to my google+ account. it loads back the modded savefile which i don't want( the one with premium plants n lots of coins)

And then i try to replace the pp.dat with my original pp.dat again and the game crashes.

What am i doing wrong here? why doesnt it crash before when i replace the original pp.dat with the modded pp.dat

why it crashes when i replace the modded pp.dat with the original pp.dat?

HELP PLS i want to revert back to my old savegames 