Problem On Windows-XP of Swing App

Question

The problem of the Heavy-weight Swing appication in the following Operating environment -
Operating System : Microsoft Windows XP [Version 5.1.2600]
Processor : Intel Pentium-4 2.20 GHz
RAM : 256 MB
Graphics Adapter : RADEON IGP 340M / Intel 82845
Java Runtime Environment -( java.exe )
java version "1.4.0"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.4.0-b92)
Java HotSpot(TM) Client VM (build 1.4.0-b92, mixed mode)
Problem -
It takes more than 25 minutes to load. After loading it shows the white screen.
As we move the cursor over the screen the GUI components under the cursor are displayed.
When the user interacts with the application e.g. by clicking the button.
again more than 1 minute is spent the OS in the response
At the startup , program constructs 13 objects. Each object is one JPanel.
Each JPanel again contain one JTabbadPane containing 5 tabs.
Each tab contain 2-3 Jpanels.
In these JPanels there are lots of Swing GUI components.
For each constructor of the object 1-2 minutes are required.
Overall time to load the complete program is 25 minutes.
During these 25 minutes CPU usage is 100 %
All other activities are stopped
The Solutions we have tried.
1. downloaded the latest JRE 1.4
2. used various JVM options ( command line arguments to java.exe )
-Xmx -Xms
-XX:+AggressiveHeap
-Dsun.java2d.3d=false
-Dsun.java2d.ddoffscreen=false
-Dsun.java2d.noddraw=true
2. created the executable jar file
3. analyzed and compared the System properties, Graphics Environment properties
for Windows 98 and Windows -XP
4. downloaded the latest update for windows-xp's driver and
MS JVM( java virtual machine)
5. tried the jre.exe 's options
6. sets various options of UIManager
On Windows 98 SE it takes less than 9 seconds to load that program.

Answer 1

Hi,
On the Windows XP machine, are you running a virus checker,
(like Sophos?), that tries to verify the runtime jar files and
each class file as it's loaded?
--Steve