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Windows 7: uninstall fails for java 6 ...

15 Apr 2010   #1

windows 7 Home premium
uninstall fails for java 6 ...

yesterday my windows updated it self when i shut down. using windows 7 home premium. i had java SE 6 update 19 before - was working fine the last week. i did try to re install the JRE as it was not working in firefox

today when i tried to use a java program - java threw an error:
Registry key 'Software\JavaSoft\Java Runtime Environment\CurrentVersion'
has value '1.5', but '1.6' is required.
Error: could not find java.dll
Error: could not find Java SE Runtime Environment.
i can see the java files in the installed foler (java_home) points to it. i tried to uninstall from the control panel but the uninstaller says "A required DLL is not found cannot uninstall"

and the installer wont let me install to a new location till I uninstall the current


also wanted to know besides not being able to join a domain etc what are the differences between Home Premium and windows 7 enterprise? is there a list somewhere?


should i switch off windows auto update - and only apply critical patches manually?

My System SpecsSystem Spec
15 Apr 2010   #2

Windows 7 x64 pro/ Windows 7 x86 Pro/ XP SP3 x86

1) For your java problem, go through this thread.

Java Runtime Environment (JRE) - How to change the default JRE when there are several version of JRE in Sys

2) For comparison between Home premium and enterprise, see this article (scroll down)

Windows 7 editions - Wikipedia, the free encyclopedia

3) Keep auto updates on.
My System SpecsSystem Spec
15 Apr 2010   #3
not so gray matter

W7 Ult. x64 | OS X

For Differences Between Windows Editions:
Compare Windows 7 Editions

For Your Java Problem:
Download an uninstall program like Revo Uninstaller (Google for it)
Uninstall Java with that program.
My System SpecsSystem Spec

16 Apr 2010   #4

windows 7 Home premium

revo did not work. it found a lot of entries but when i asked it to delete, it seemed to try but i think my windows stopped it - as it was all there still. (i'm an admin on this system, but maybe i need to start the revo exe from an admin prompt so it runs with those privilidges?)

java problem is solved for now - i found a newer update java6 update 20 (earlier was java 6 update 19) so that installer worked !
My System SpecsSystem Spec

 uninstall fails for java 6 ...

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