User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.1b2pre) Gecko/20081108 Minefield/3.1b2pre Build Identifier: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.1b2pre) Gecko/20081108 Minefield/3.1b2pre If I disabled history and going to download a file, no file entry in the Downloads manager after restart. So Firefox can't resume downloads. Reproducible: Always Steps to Reproduce: 1.start Firefox 2.open Tools - Options - Privacy 3.disable/unselect history option("Keep my history for at least x days") 4.click OK 5.exit Firefox 6.start Firefox 7.load http://www.mozilla.com/products/download.html?product=firefox-3.0.3&os=win&lang=en-US 8.click "Save File" 9.open the Downloads manager(Ctrl+J) 10.click Pause button beside the file entry 11.exit Firefox 12.start Firefox 13.open the Downloads manager Actual Results: no file entry in the Downloads manager and downloads can not be resumed. Expected Results: file entry in the Downloads manager should be remained(paused) and downloads should be resumed. related? Bug 456395 still, I'm not sure this is expected behavior or not.

Does this happen with Firefox 3.6.13 or later?

works for me now. Mozilla/5.0 (Windows NT 5.1; rv:2.0b10pre) Gecko/20110116 Firefox/4.0b10pre