SAP Netweaver ABAP Trial 7 installation problem

Hi,

I tried installing SAP netweaver for ABAP trail in my virtual pc of windows XP. I am able to install sapinst successfully but when i am trying to install sapinstgui, I am getting error with JAVA JVM.

Program is starting... Please wait!

  Path: C:\DOCUME_1\ADMINI1\LOCALS~1\Temp\sapinst_exe.180.1300548127
jre\bin\java.exe

java.io.FileNotFoundException: C:\Program Files\Java\jre6\lib\security (Access is denied)

     at java.io.FileInputStream.open(Native Method)

     at java.io.FileInputStream.<init>(FileInputStream.java:106)

     at java.io.FileInputStream.<init>(FileInputStream.java:66)

     at sun.tools.jar.Main.run(Main.java:184)

     at sun.tools.jar.Main.main(Main.java:903)

The system cannot find the path specified.

C:\Program Files\Java\jre6\lib\security does not contain the needed (local_policy.jar,US_export_policy.jar ) policy jars

See also SAP note 1238121.

Exit status of child: 10