A bug that has been around for a little while is now doing the rounds of Internet. It affects Snow Leopard and can cause a total loss of data as Tobias tells us:
This morning, I login to my guest account under Snow Leopard and after having finished I go on my admin account, I realized that none of my files are there, no music, no documents, no bookmarks etc…. ! I do not panic, I have made a time machine backup 2 day ago, I make several Internet searches and find that I am not alone in this case and that Snow Leopard has a bug. Thus I advise to make a backup and to deactivate your guest account and to create a standard account without a password if you are running Snow Leopard.
The bug occurs under particular conditions. It is necessary to have made an updated from Leopard to Snow Leopard and that a guest account was configured under 10.5. After this transition to Snow Leopard, the bug happens if one logs into this infamous guest acco
