I can use Firefox 3.5 just fine when un-sandboxed, but when I launch it sandboxed, I am unable to type anything into the browser. Not in the address bar, not in the web page, not in the search bar, nada.
I've deleted the sandbox contents already. I have them set to empty automatically. I've rebooted. I also deleted the sandbox itself and recreated it. Still no luck.
Is this a known issue? Is there a fix?