Norton AntiVirus Damaging to Mac OS 8.1 Disks -- Symantec Technical Support has confirmed reports of intermittent disk corruption relating to using Norton AntiVirus for Macintosh, though only under Mac OS 8.1 and only with normal HFS-formatted volumes. Symantec believes the problem relates to Norton AntiVirus Auto-Protect and SafeZone scanning and recommends that Mac OS 8.1 users disable SafeZone scanning until Symantec can come up with a solution. John Christopher, Data Recovery Engineer at DriveSavers, commented that the problem results in the disk catalog, extents, and a portion of the disk (from 25 MB to 100 MB) being overwritten with a pattern of F's. His suggestion for data recovery is to try the UnErase utility with Norton Utilities for Macintosh and scan for file types associated with applications you use. If that fails and you have no recent backup, John noted that DriveSavers has proprietary utilities that can often recover data when commercial utilities fail. [ACE]
Mac OS X Services in Snow Leopard
Mac OS X Services let one application supply its powers to another; for example, a Grab service helps TextEdit paste a screenshot into a document. Most users either don't know that Services exist, because they're in an obscure hierarchical menu (ApplicationName > Services), or they mostly don't use them because there are so many of them.
Snow Leopard makes it easier for the uninitiated to utilize this feature; only services appropriate to the current context appear. And in addition to the hierarchical menu, services are discoverable as custom contextual menu items - Control-click in a TextEdit document to access the Grab service, for instance.
In addition, the revamped Keyboard preference pane lets you manage services for the first time ever. You can enable and disable them, and even change their keyboard shortcuts.