1
vote
1answer
230 views

Is it safe to delete Java folders from C:\Users\(Username)\AppData\LocalLow\Sun\Java

I am using a Windows 7 64-bit PC. I have many folders in C:\Users\(Username)\AppData\LocalLow\Sun\Java with names of older Java versions like: jdk1.7.0_21_x64 jre1.7.0_45 jre1.7.0_25 These folders ...
2
votes
2answers
1k views

MATLAB is not working because of Java

I use Windows 7 x64. I have installed MATLAB 2010a to my computer. After running only the splash screen shows up for a while then program quits. I have found an error log and the first lines of the ...
3
votes
2answers
14k views

Where is java jre path specified in Windows 7?

I have java installed including jre 6 and 7 on Windows 7 64-bit. When I type java -version at the command line I get: C:\>java -version java version "1.6.0_22" Java(TM) SE Runtime Environment ...
0
votes
0answers
787 views

Can't install Java JRE

I need to install Java on my computer for my browser to be able to use Java video players. I had Java installed until now (i often run Java based stuff like eclipse or minecraft), but my browser ...
0
votes
2answers
785 views

Cannot remove or replace the JRE

About a month ago I attempted to remove a vulnerable version of the Java Runtime Environment (JRE). Unfortunately, I didn't know there was another user logged in at the time. This caused the ...
3
votes
1answer
450 views

Unable To Successfully Use Java Anywhere (Windows 7 64bit)

This is a bit of an odd issue: (This is with JRE 7u7 32bit.) New Lenovo W530 laptop, everything is shiny. I tried to use a java applet for the first time recently (in Chrome). I got the Java logo and ...
1
vote
1answer
3k views

Should JRE 7 be kept in Program Files (x86) or Program Files in Windows 7 (64-bit)?

I have updated JRE to version 7 update 4 and JDK to version 7u4. I have two Java folders, one in Program Files another on Program Files (x86). JRE was automatically downloaded to Program Files (x86) ...
1
vote
1answer
1k views

Fix java version mismatch in windows

I have the 64bit version of the jdk installed on windows 7. I installed the 32 bit version of the jre as websites complained that I didn't have the java plugin. I tried in vain to get firefox to ...
0
votes
2answers
378 views

Java Installation in Windows 7

I installed java from Oracle website (here.) the last one Windows x64, but when I try to set the path there is no JDK folder inside the installation folder. There is jre folder there but it doesn't ...
2
votes
2answers
3k views

Java Install Error 1723

I was working on a program in Eclipse. I went to run it, and ran into some 'unknown source' errors, so I tried to reinstall my java and ran into some annoying errors. First thing I ran into was an ...
3
votes
2answers
3k views

How to give Java run time more heap space?

I am running PMD v4.2.5 on Windows 7 and it is running out of memory with the following error: Exception in thread "Thread-4" java.lang.OutOfMemoryError: Java heap space How can I configure the JRE ...
0
votes
1answer
947 views

JRE not running correctly on Windows 7 64-bit

An application called DosBox Game Launcher (DBGL) requires JRE in order to run successfully. I had it installed and running on my old Windows 7 32-bit machine without any problems. Today I got my new ...
2
votes
2answers
721 views

Disassociate file with cmd.exe

I recently chose cmd.exe as a default program for .jar files with instant regret. How do I associate this back again with javaw.exe in the JRE? The default program check box is disabled, so selecting ...