Well, I finally uninstalled both Netscape 3.04 and 4.5 (this was on Windows) and re-installed them. They share a common bookmark file. I had no trouble setting up 4.5, but when I tried to open my bookmark file in Navigator 3.04, the browser crashed. Several times. The bookmark file was around 164K. I manually deleted some entries from it, got the size to around 162K (this is very approximate and based on the numbers in windows Explorer) and it was able to import it then. So, you're wondering what this has to do with anything. Well, I can now use those special enctype forms just fine, in both browsers. I didn't test it before cleaning up and importing my bookmark file, but it definitely works now. I only deleted one or two entries from the bookmark file, which has grown by a bunch lately. I'm guessing that, at least in Netscape 3, maybe the entire bookmark file was being held in memory, which somehow interfered with the creation of the temporary files Netscape seems to use for those forms with the enctype="multipart/form-data". So, if anyone has this problem in the future, I'd suggest 1) deleting entries from your bookmark file, and 2) reinstalling the browser. Thanks for your kind reply, Thomas! Who knows, maybe this will work for you. - Am