Game Center Account Problem - Sandbox

[BR0MERZ]

Hey, hopefully someone can help me with this problem.

I updated angry birds the other day (on 4.1 JB with greenpois0n) and afterwards my Game Center started having problems. Every time I go to a Game Center game it asks me to sign in. The first time it went to the create new page so I tried again and again so eventually decided to just input the requested details. I have since had sandbox appear on many game logins and have had sandbox errors on occasion.

Now this account has only a few of my achievements and games. I logged out of GC and back in and was back on my old account with all games and achievements. But when I go into a game it asks me to sign in and logs me in as the sandbox account.

Now after restoring as new to JB 4.2.1 the problem disappeared until I installed the apps from my pc. so I did a clean install again this time using redsn0w then GP and again no problem, I decided against installing my apps and instead downloaded Infinity Blade from the app store and presto the problem returns.

I've read the sandbox account is for development of games somewhere and it seems to only appear after downloading a game.

Below are two screenshots of the two accounts both using the same Apple ID, Notice how the top one says Sandbox:

[junito91]

This happen to me last week for the whole week, i did restore and everything and the priblem was there, i was pissed... Anyways 3 days ago i want it to play so i keep login and login and login like 30 times maybe more until it log and problem was gone, as soon it was gone i made a backup in case it happen again

[boxxa]

This crap is happening to me too. I thought it was because I has the modified mobileinstallation while I was testing some of my own unsigned apps but I restored and updated and still happens.

[Term/978]

Goto

/var/mobile/Library/Caches/

and edit

com.apple.mobile.installation.plist

Erase

"ProfileValidated

SignerIdentity
TDMTANF Bypass"

propably several times and you will never see the sandbox again.
Worked for me!