Dsc key signature problems

This query is : Resolved

Shaik Shair Ali (Querist)
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18 September 2011 Dear Please solve this:

At the time of selecting DSC Signature .pfx file the following error occuring:

Java Plug-in 10.0.0.147
Using JRE version 1.7.0-b147 Java HotSpot(TM) Client VM
User home directory = C:\Documents and Settings\Administrator
----------------------------------------------------
c: clear console window
f: finalize objects on finalization queue
g: garbage collect
h: display this help message
l: dump classloader list
m: print memory usage
o: trigger logging
q: hide console
r: reload policy configuration
s: dump system and deployment properties
t: dump thread list
v: dump thread stack
x: clear classloader cache
0-5: set trace level to

Detected from bootclasspath: C:\PROGRA~1\Java\jre7\lib\deploy.jar

Thanks in advance