While trying to boot Windows, some error messages may generate such as “Operating System Not Found” or “Missing Operating System”. The generation of such error messages simply means that the hard disk has got corrupted or damaged further leading to stopped working of disk drive and inaccessibility of stored information.
The computer hard disk may get corrupted, damaged or inaccessible due to accidentally or intentionally formatted, reformatted, deleted, or damaged partitions. The reasons responsible for corruption of Windows partitions may include corruption of Windows registry, unexpected system shutdown, virus attacks, software errors, natural disasters, human errors, hardware failure, voltage fluctuation, power failure, and so on. Some other reasons include damaged MFT, corruption of Windows file systems(s), presence of bad sectors on disk, Index corruption, loss of MBR, Boot Sector or File Allocation Table.
Before deciding to purchase the license key of the hard disk data recovery software user must download and install the available free trial version of the software to evaluate its capabilities. If satisfied with performance of trial version only then decide to purchase the license key. The software must also offer user-friendly, interactive interface such that even novice users can easily perform the data recovery process from corrupt hard disk. If you want more information, help and support at here : http://www.recoveryfix.com/recover-windows-data.html