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What’s the problem? This problematic security feature exists because Windows Vista Repair Computer / System Recovery program enables the use of command prompt without any user authentication with highest possible - system-level – priviledges. Cracking Windows operating systems has been possible by using cracking software found from various web pages. This is the first time when cracking Windows operating systems is really easy and needs no deeper technical knowledge. This is the reason, why everyone using Windows should understand the cracking method and start preparing safety systems, if needed.