As of bug 481815 we only add HKCU uninstall entries to the registry if they don't already exist in HKLM. This is to avoid 2 uninstall icons. This will prevent adding the same version to a different install location though if the second one installed is being installed without HKLM access. One idea from rs was to use the Cityhash plugin to handle this but we are unsure if it works on systems prior to Wn7. A pre-existing problem is that it wouldn't be obvious which install it is referring to since the install directory isn't listed by default in Programs and Features. I think adding the install directory to the uninstall's registry value for Comments should be adequate especially since we also show the install path in the uninstaller's summary page. Perhaps another way is to create a new uninstall key only when the current check is the same and also the comment is also the same.
Closing old bugs as incomplete. If this is still an issue please file a new bug in Firefox -> Installer.
Status: NEW → RESOLVED
Last Resolved: 10 months ago
Resolution: --- → INCOMPLETE
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