Launch4j Error at start up of the IDE

Hello @ all,

first of all I will tell you that I’ve read the former threads. I have Win7 Ultimate 32 Bit with 4GB RAM an Intel Core2 Duo T7500.
I have installed the latest Java Version. An have tryed the following:

BlueTooth software or Drivers are not running

arduino.exe --l4j-debug → no log file

c:\Users<USERNAME>\AppData\Roaming\Arduino\preferences.txt → doe’s not exist

Unfortunately I cannot find any other helpful hints please help.

Sincerely
Michael