User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.3a) Gecko/20021212 Build Identifier: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.3a) Gecko/20021212 On downloading and opening a file several times, the temp file name gets changed which seems to confuse download manager. Reproducible: Always Steps to Reproduce: Example downloading test.zip and opening with WinZip: Step 1: Click on test.zip. On next dialog choose to open the file with WinZip. Close WinZip. Go to download manager. Result: File got downloaded as test.zip, winzip launched correctly. Download manager shows downloaded file test.zip. Buttons Remove, Launch and Show are enabled. Step 2: Click again on test.zip, open again with WinZip. Close WinZip, go to download manager. Result: File got downloaded to test-1.zip, WinZip launched with test-1.zip. Download manager still only shows test.zip. Buttons Properties, Cancel and Show are enabled. Properties look like file is still being downloaded. Cancel works. After that, entry still points to test.zip. No entry for test-1.zip. I guess the main problem is that the name change to test-1.zip is not reflected in download manager.

Does this still happen in a build since 2003052309?

This still happens with "Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US; rv:1.8) Gecko/20051111 Firefox/1.5".

I don't agree that this is fixed. Using the original steps above, and using Firefox 3.5.2: - First file gets downloaded as test.zip in temp folder, and opened as test.zip. - Second file gets downloaded as test-1.zip and opened as test-1.zip. - However: The download manager lists the download of test.zip twice, double-clicking them always opens test.zip. There's no reference to test-1.zip in download manager. There are of course no button issues any more, because there are no buttons. However the issue that the rename to test-1 is not reflected is still present.

This issue is not reproducible with FireFox v3.5.3 on Windows (2003)

Still seeing this partly, as described in comment #4. Steps: - Enter URL of some test.zip file. When prompted, open file directly. test.zip opened. - Enter same URL again. When prompted, open file directly. test-1.zip opened. - Go to download manager. Two entries test.zip exist. - Open first entry. test.zip is opened again. - Open second entry. test.zip is opened again. No download manager entry refers to test-1.zip. In this case, the problem is rather theoretically. But imagine you're opening several sources for a file that just share their name, or imagine that the first download was broken or canceled for some reason. OS: WinXP Version: Firefox 3.5.4