OK. I've got the same problem. All happened after upgrading to Snow Leopard(10.6). Tivo Transfer 1.2.2(058) opens "downloaded from internet" warning as usual. When I click Open, icon bounces a few more times in the dock, then just stops. Rosetta was installed. However, I did find an "Open using Rosetta" checkbox on Tivo Transfers Get Info. Checked the box and Tivo Transfer launches now, but doesn't see my Tivo box. I reentered the Media Access Key and it still doesn't see it. Tried the same thing with Tivo Transfer 1.1.1(049) from Toast 8 and it does the same. Help.
Also, my old Auto Transfers show in the list, and it also shows my Tivo name under Source: at the top.
No files show in the Tivo Recordings list, even though the correct folder shows in the prefs and I also re-selected the folder, but nothing.
Tivo Desktop 1.9.3(008) doesn't work either. If I click the start button, it tries for a second and then switched back to Tivo Desktop Off.
Mac2Tivo works. So my MacBook and Tivo can see each other, The problem is just with Tivo Transfer and Tivo Desktop.