iMac, 233mhz, OS9.1,160MB RAM
My Norton SystemWorks arrived today and I did as you suggested: I booted from the CD and ran Disk Doctor. All minor problems were fixed but this was the report: 'Major error found in system. You have multiple system folders. Apple recommends against this. 16,1,10. Norton Utilities is unable to fix this problem.'
This is as a result of my 'reinstalling OS9.1 to fix problems' as you suggested recently. Mea culpa. What do I do now? How do I get rid of two of the three system folders?