Do you run any OTHER software that also does something to the master boot record 
or track 0?  If so, perhaps it's the confluence of the two.  For example:  Norton 
(ironic, eh?) Goback, Rollback RX, Truecrypt (if you're doing full disk encyption), 
and Adobe Photoshop (thanks to the Macromedia Safecast activation scheme, which writes 
data to the boot track), do not play well with other software that messes with track 
0.







On Saturday, May 10, 2008 at 8:14 am, Jeff wrote:

>I set-up an XP workstation for our company with two 250GB SATA drives, with the 
OS 

>residing on SATA0 and the data on SATA1. I installed Norton Corporate AV 10.2, as 

>we have on all of our other PC's.  Almost immediately the machine started going 
to 

>a black screen after the XP logo at bootup and just sit there.  After much troubleshooting, 

>I got the OS back after executing a "fdisk /mbr" command via an old Windows 98 boot 

>floppy.  However, the same sympton came back at the next bootup.  After some head 

>scratching, it turned out that the Norton AV was the problem.  After removing Norton, 

>all was OK.  To be sure, I re-installed Norton and the problem returned - removed 

>it and all was well again.  I then installed an older version of Norton Corporate 

>and the machine works fine.  Any thoughts or suggestions?  I contacted Norton about 

>this and as expected, they disavowed any responsibility for this mystery.  Thanks. 

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