Simultaneous launch of multiple copies of the same application, blocking the command line, mouse, and partially keyboard. Antivirus CD programs (ESET, NOD32) do not see anything. Comodo ERD find MBR problem only. After restarting OS all problems returns.
In addition, Gparted found tangled ntfs clusters (>600) on the system partition, it can't check the file system. it advises running chkdsk /f , but this is not possible, because the command line is run with emulation of user input (which is not really the case). On the same computer under Linux there are no problems
OS -Windows 7 Home