Can not uninstall-install Java.

java issue Can not uninstall-install Java. java

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Having problems removing Java, installing it, or Java Simply does not work, on your machine? Prior to getting started please Create a restore point!!


Run MS Fit-It to fix issues with install-uninstall, also download the everything tool to find all Java related files.

First thing that you will need to do, is run this MS Fix-It

Then download Everything by Void-Tools. You will need the correct version for your operating system. CLICK HERE to determine whether you’re running 32-bit or 64-bit for Windows.

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Once you have download and installed, either the 64bit or 32bit (x86) Version.

Right Click on the VoidTools application and Run As Administrator. Type Java into the Everything Search Window.

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Now Click on Edit Then Select all.

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Now Right Click on the highlighted area.

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Select Copy Full name to clipboard.

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Now open a notepad by hitting the start button and typing notepad.exe into the search box.

Once notepad is open, right click and select paste.

Now click on File then save as.

Name the notepad Fixlist and save it to your desktop.

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You will now need to download and save FRST 64bit or FRST 32 bit to your Desktop. To clean up the Java files found with Everything tool.

Right Click on either FRST64 or FRST32 and Run as Administrator.

Now Click on the Fix button and allow the program to complete.

Note: A reboot may be needed.

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After FRST has completed.

Clean out your temperary Java files with TFC.exe by Oldtimer.

  • Download TFC by OldTimer to your desktop.
  • Close any open windows
  • Double click the TFC icon to run the program. (Vista/7/8 Users, Right Click and select Run as Admin)
  • TFC will close all open programs itself in order to run
  • Click the Start button to begin the process
  • Allow TFC to run uninterrupted
  • Once its finished it should automatically reboot your machine, if it doesn’t, manually reboot to ensure a complete clean.

Installing and using Revo Uninstaller to Remove Java registry keys.

Now lets DOWNLOAD Revo Uninstaller Portable (no install). Unzip the file to your desktop.

Right Click on Revo Uninstaller.exe and Run as Administrator.

Once the program has opened. Right Click on Java and Select Open Registry Key.

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Once the registry editor is opened. Right click on the highlighted Clsid key.

Select Delete.

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When prompted Select Yes.

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Now please reboot your machine.

Installing and using the Windows Installer Clean Up Tool, to remove Java remnants.

After the reboot, lets check for any remaining Java installations, with the Windows Installer Clean-up

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After you install the Windows Installer Clean-up.

To Access it:

  • Click the start button.
  • Click Computer.
  • Local Disk C:
  • Program Files (Program Filesx86 for 64bit machines)
  • Scroll to the Windows Installer Clean-up Folder.
  • Double Click it.
  • Right Click the MSICUU and Run as Administrator.
  • Select anything you see Java related then select the Remove Button.
  • Then Select Ok.
  • Repeat as needed.
  • Press the Exit button.
  • Reboot your machine.

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Installing and running the Windows All In One Tool, to repair any system malfunctions, that could corrupt Java.

Now lets Run a Repair with the Windows Repair (All In One).

You will need to disable your antivirus prior to running this tool. How To Temporarily Disable Your Anti-virus

Once you have installed the program select the repairs tab.

Leave the Box ticked in the shot below then click on “Open Repairs”

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Now please run the tool, with the items ticked in the shot below.

Then Click on the start repairs tab.

Note: It is important, that you close all other programs, while this tool is running!!!

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After the tool has completed, your machine should reboot.


Triple  check for any Java file or regsitry remnants with JavaRa.

JavaRa Can not uninstall-install Java. java

Installing a fresh copy of Java, using the official site or the offline installer.

Please visit The Official Java Site site.

Or download the offline installer for Windows.

Changing system settings that may be wrong for correct operation of Java.

Once you have installed Java lets change a setting, prior to testing the program.

  • Hit the start Orb.
  • Right Click Computer.
  • Select Properties.
  • Advanced System Settings.
  • Enviroment Variables
  • Under System Variables.
  • Select New.

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Copy and paste the words in Bold. into their respective area’s.

Variable Name >>>>>>>>>> _JAVA_OPTIONS

Variable Value >>>>>>>>>>> -Xmx512M

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Now hit Ok, until you can not anymore!

A final reboot of your machine is needed at this point.

After the reboot Test Java.

Note: These steps can be applied to the following versions of windows. Xp, Windows Vista, Windows 7, Windows 8 and 8.1

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About The Author
Kristopher K
Kristopher has been a Windows and Computer Enthusiast for years. His expertise's lies within in Consumer Security and the Windows platform. Kristopher has always been active on many Windows communities where he helps people and writes articles. Not to forget he loves a glass of beer.
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