For protection, in Windows 7, if you attempt to open the MFT via an Administrator Command Prompt, the system will BSoD with an error code of 0x24 (NTFS_FILE_SYSTEM). In Windows 8, running the same command will bring up an Open File dialogue, but all programs will show Access Denied errors.
What does impasse mean in Urban Dictionary?: a spot of which any further development is made. by Adaline Report definition.
1 a difficult, puzzling, or embarrassing situation from which there is no easy escape the party was once again facing its quadrennial quagmire: the candidate sufficiently liberal to win the nomination would be too liberal for the general election Synonyms bind, box, catch-22, corner, dilemma, fix, hole, impasse, jackpot [chiefly West], jam, mire, ...