IDE doesn't start on Windows 7 Home Premium 64bit

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What steps will reproduce the problem?
1.After start the IDE the splash screen apear. After one minute (the pc is very 
slow) apears the Error "An error occured while starting the appliction" 
"Lauch4j"
2.
3.

What is the expected output? What do you see instead?

What version of the Arduino software are you using? 1.0.1
On what operating system ? Windows 7 64bit Home Premium
Which Arduino board are you using? Mini pro (working with xp)

Please provide any additional information below.

Original issue reported on code.google.com by vkn...@gmail.com on 23 Sep 2012 at 7:55

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hi,I have this exact problem just brought my first kit. Before i go any further 
i am running windows 7 on a quadcore pc with either 8 gig of ram.The first time 
i installed the latest version of the Arduino software everything cranked up, 
connected the uno tried the first "blink test" everything seemed to go ok [not 
sure that worked properly as the led was always blinking and always has 
blinked].Anyhoo ever since then the software just doesn't want to work.I have 
tried uninstalling and reinstalling to no avail doh!If anyone can help that 
would be awesome otherwise it'll become a £55 dust collection zone.I can be 
contacted via this email address w1gsta73@googlemail.com
be well
wigsta

Original comment by W1GST...@googlemail.com on 3 Jul 2013 at 11:44

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https://github.com/arduino/Arduino/issues/1048#issuecomment-105544168

Original comment by federico...@gmail.com on 26 May 2015 at 2:30

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please reopen the issue here https://github.com/arduino/Arduino/issues/1048 if 
the problem persists.

Original comment by c.mag...@arduino.cc on 26 May 2015 at 2:48

• Changed state: Done