Sup everyone, I have a rooted MB502. Starting around a few days ago, my phone will not install ANY apk files. I tried using File Explorer and clicked on the apk files (it is stored on my sd) and it did not even respond. Furthermore, I used File Manager and I tried to open the apk files and it said "file is not supported". This problem has never happened to me before! Also, I backed up one of my programs and I tried to re-run the apk files and it does not even work! This means that my apk files are not corrupted. Yes, I already restarted my phone, with the sd card removed, battery removed, and SIM card removed. I also made sure that install from unknown sources box is ticked in the settings. In addition to all of these problems, I do not even think I can install apps from the market! Each time I tried to install something, the download just abruptly ends and I just go back to the first page on the market. Anyone have any idea of what is going on?