I can't install anything into this folder nor can I delete anything from it, everything from that folder runs fine. I have tried many times going into security and trying to change the rights, but it just says that the owner is trustedinstaller. I bought this computer in March, back then I could install anything. This is slowly going to affect me because I am unable to install gfx drivers. Using an SSD and an HDD, running Windows 8.1.