Navigator attemps to spawn an external viewer and then hangs.
The resloution of this issue involves making changes to your system registry, so make sure you have backups of these files before proceeding. Highlight the value on the right labeled Content type and right-click it. Follow the same directions for the .html key as well and close the Registry Editor. Reboot the system and test with any locally saved .htm or .html file, including the bookmark.htm in the user profile. Travel Third-party software and literature recommendations in technical articles are personal opinions of Netscape employees and are not necessarily endorsed by Netscape Communications Corporation.