A critical show stopper bug has been found in the Final Windows 7 RTM 7600.16385 and in the updated 7600.16399 builds on both 32-bit (x86) and 64-bit (x64) installs! ... The issue is related to the "chkdsk /r" command on a NTFS drive other than the system drive (Issue not present for FAT32 Drives). For example if you have drive C: and drive D: with C: being Windows 7. If you open "cmd" and run "chkdsk /r D:" on "Stage 4" of chkdsk it will have a very critical memory leak and max out the system memory then BSOD due to lack of memory available. .

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This is a very critical bug that Microsoft should have caught before sending 7600.16385 to OEMs. Sadly, now Microsoft will have to fix this and then re-distribute RTM code to OEMs or patch it. I would not doubt myself when Microsoft gets word of this Show Stopper bug if the TechNet/MSDN releases on Thursday the 6th get pushed back to re-implement new code into the RTM build.

More: http://pcworld.com/article/169781/