Reader jswackh adds this terse description: 'So far the fixes are sneakernet only. An IT person will have to touch all affected PCs. Reports say that it quarantines SVCHOST. [Affected computers] have no network access, and missing are taskbar/icons/etc. Basically non-functioning. Windows 7 seems to be unaffected.'
Updated 20100421 20:08 GMT by timothy: An anonymous reader points out this easy-to-follow fix for the McAfee flub.
Read more of this story at Slashdot.
