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two jre folder

 
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I installed an older version of jdk under program file/java/. So it had "jdk6" and "jre6". I uninstalled it but the "jre6" folder didn't go away. I tried to delete it bbut got "check if disk is full or..." error, can't delete it. when I install a new jdk version it gives error. So when it asked me location for jre I use "jre6new", this time it works. So now I have "jre6" and "jre6new" folders under "java". Will this cause problem ? How does app know which jre folder it is using ?
 
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When you install the JDK, it installs two JREs: one inside the JDK folder and another separate one. You need to uninstall that as well through the control panel.

As your Java installation may now be inoperable I would uninstall the JRE, then remove any remaining folders, then reinstall the JRE.
 
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Rob Prime wrote:When you install the JDK, it installs two JREs: one inside the JDK folder and another separate one. You need to uninstall that as well through the control panel.

As your Java installation may now be inoperable I would uninstall the JRE, then remove any remaining folders, then reinstall the JRE.


i agree with Rob , and check in the task manager about javaw.exe process then end it this making you cant delete the folder
 
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