Stop me if you’ve heard this one before: a security patch issued by Microsoft on November 10 is causing some PCs to crash . Not a simple blue screen of death, mind you, but a black screen of death. Operating systems affected include Windows 7, Vista, and XP; probably so that no Windows user will be denied this blessed experience.
Jeremy Kirk, of the IDG News Services , reports the problem to be linked to Microsoft’s monkeying about with the Access Control List (ACL). The ACL is a list of permissions for the logged-in user. It interacts with registry keys to create visible desktop features, like the sidebar.
The patch changes some of those registry keys, which messes with certain installed applications. These applications are unaware of the registry changes, don’t run properly, and, in a fit of pique, bring the PC to a crashing halt. According to Mel Morris, the CEO of Prevx, a United Kingdom security firm: “If you’ve got this problem, it’s masively debilitating.” Prevx, at its web site, offers a fix for the problem .
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