Following keys are not removed when jdk/jre is uninstalled by clicking Remove from Add/Remove.
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\8A0F842331866D117AB7000B0D610000\Features]
"both"="E&jA4'KCg([I3Xaem!!!"
"IESUB"="E&jA4'KCg([I3Xaem!!!both"
"MOZILLASUB"="E&jA4'KCg([I3Xaem!!!both"
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\4F4A3A23297B6D117AA8000B0D610000\Features]
"PublicjreFeature"="V0A+4uT*L=euoHRK0?YL"
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\8A0F842331866D117AB7000B0D610000\Features]
"both"="E&jA4'KCg([I3Xaem!!!"
"IESUB"="E&jA4'KCg([I3Xaem!!!both"
"MOZILLASUB"="E&jA4'KCg([I3Xaem!!!both"
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\4F4A3A23297B6D117AA8000B0D610000\Features]
"PublicjreFeature"="V0A+4uT*L=euoHRK0?YL"