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Reset Java Web Start (javaws, jp2launcher, JNLP) file associations

Since I was currently playing around with making JavaWeb Start of IcedTea-Web a bit more robust I was collecting the registry keys where JWS would associate itself with files and URL schemes.

As a result I created a Windows Registry export file which DELETES all those locations, so you have a system reset to the beginning (before you reinstall Java SE or OpenJDK installers). Here is the file, in case you need something similar. Note that it only deals with JNLP related entries, no other settings from JDKs are destroyed.

In case you wonder Firefox will remeber the JNLP entries in the handlers.json file in the profile. I make it a habit to delete that file every now and then.

Download: deljnlp.reg

Windows Registry Editor Version 5.00

; deletes most of the file associations dealing 
; with Java Web Start JNLP files and URLs

; !!! use at your own risk !!! regedit /s deljnlp.reg

[-HKEY_LOCAL_MACHINE\SOFTWARE\Classes\.jnlp]

[-HKEY_CURRENT_USER\Software\Classes\.jnlp]

[-HKEY_CLASSES_ROOT\.jnlp]


[-HKEY_LOCAL_MACHINE\SOFTWARE\Classes\jnlp]

[-HKEY_CURRENT_USER\Software\Classes\jnlp]

[-HKEY_CLASSES_ROOT\jnlp]


[-HKEY_LOCAL_MACHINE\SOFTWARE\Classes\jnlps]

[-HKEY_CURRENT_USER\Software\Classes\jnlps]

[-HKEY_CLASSES_ROOT\jnlps]


[-HKEY_LOCAL_MACHINE\SOFTWARE\Classes\JNLPFile]

[-HKEY_CURRENT_USER\Software\Classes\JNLPFile]

[-HKEY_CLASSES_ROOT\JNLPFile]


[-HKEY_LOCAL_MACHINE\SOFTWARE\Classes\jnlp_auto_file]

[-HKEY_CURRENT_USER\Software\Classes\jnlp_auto_file]

[-HKEY_CLASSES_ROOT\jnlp_auto_file]


[-HKEY_LOCAL_MACHINE\SOFTWARE\Classes\MIME\Database\Content Type\application/x-java-jnlp-file]

[-HKEY_CURRENT_USER\Software\Classes\MIME\Database\Content Type\application/x-java-jnlp-file]

[-HKEY_CLASSES_ROOT\MIME\Database\Content Type\application/x-java-jnlp-file]


[-HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.jnlp]


; TODO the following list might not be complete, if scripting: "*_.jnlp"
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\ApplicationAssociationToasts]
"JNLPFile_.jnlp"=-
"jnlp_auto_file_.jnlp"=-
"Applications\\javaws.exe_.jnlp"=-
"Applications\\javaws.bat_.jnlp"=-
"Applications\\javaws.cmd_.jnlp"=-
"Applications\\jp2launcher_.jnlp"=-
"Applications\\notepad.exe_.jnlp"=-
"Applications\\wordpad.exe_.jnlp"=-

[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\ApplicationAssociationToasts]
"JNLPFile_.jnlp"=-
"jnlp_auto_file_.jnlp"=-
"Applications\\javaws.exe_.jnlp"=-
"Applications\\javaws.bat_.jnlp"=-
"Applications\\javaws.cmd_.jnlp"=-
"Applications\\jp2launcher_.jnlp"=-
"Applications\\notepad.exe_.jnlp"=-
"Applications\\wordpad.exe_.jnlp"=-


[-HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\App Paths\javaws.exe]

[-HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\App Paths\javaws.exe]


[-HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\App Paths\javaws.exe]

[-HKEY_CURRENT_USER\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\App Paths\javaws.exe]


[-HKEY_LOCAL_MACHINE\SOFTWARE\Classes\JavaWebStart.isInstalled]

[-HKEY_CURRENT_USER\Software\Classes\JavaWebStart.isInstalled]

[-HKEY_LOCAL_MACHINE\SOFTWARE\Classes\JavaWebStart.isInstalled.1.8.0.0]

[-HKEY_CURRENT_USER\Software\Classes\JavaWebStart.isInstalled.1.8.0.0]

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