Hello! I have Windows Vista Ultimate on my computer. I don’t know why, but once I started Windows, I saw that the beautiful design was gone and everything became like on the 98th, exe files do not start, that is, they start but all a couple, of course, the games do not start, when you try to close any folder, it writes: The operation was canceled due to the restrictions on the computer. Contact the network administrator. The right mouse button works only in programs, you cannot use it in folders, you have to do everything in the total commander ( (((I really need your help, you should take into account that I cannot reinstall Windows, there is a lot of important information, about 500 GB.