If you have problems with the operating system, it does not open and all kinds of errors occur, and for these reasons you can not recover the documents saved in the computer, then you can use Ultimate Boot CD - UBCD
which has all the tools for opening and saving files from the blocked system.
This very good utility can be copied to a portable USB drive or burned to a CD or DVD and you can use it every time you have problems with the operating system.
Ultimate Boot CD benefits from an interface similar to the old DOS operating system, but which does not pose problems for novice users. It's quite simple, after the drop-down a simple text-based menu appears and you can select the utility you need with the up / down arrows.
In conclusion, Ultimate Boot CD - UBCD
is an efficient backup utility that includes all the computer diagnostics utilities you need for data recovery from blocked systems.Documentation / Demo