More snags in Windows XP Service Pack 2
 

The PC World Test Center staff have discovered two bugs involving Windows XP's Service Pack 2. One can reduce the write speed of many dual-layer DVD drives. The other can decrease the battery life on some Acer laptops by an hour.

Staffers were testing dual-layer DVD drives when they found that InCD4 DVD-burning software, by Nero AG (formerly Ahead Software AG), performed up to 40 percent slower than competing applications (such as Roxio Inc.'s Drag-to-Disc) on systems running SP2. InCD4 ships with many drives, including those from Lite-On Technology, Plextor, and Sony.

Nero developers say that the glitch is due to a cache problem in SP2 and affects InCD prior to release 4.3.7.3. To check your version, open the program and select About. If your app is affected, get the InCD Update-Package 3. The fix bypasses SP2's cache management problem.

Microsoft is working on a hotfix that wasn't yet available at press time.

News source: ieXbeta
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I have a Lite-On and have had burn problems on and off since SP2. I never did figure out what the cause was, looking forward to a hotfix from M$ to rule this out as my problem. If true, Bill owes me some $Money$ for the coasters I've made. :p