Default Help! play store 403 error

It's a strange error because the solution posted for this problem is to delete the proxy in APN setting, however I am using Wifi and my proxy setting is empty. I have tried two different roms (AOSP and stock), two different accounts, all kind of wipes, dalvik wipe etc but I still get this 403 error when trying to download ANY application.

Anyone knows how to solve this? I suddenly started getting this as soon as I changed my rom from aosp to stock. Samsung Galaxy S3
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