Problem : com.ms.security.SecurityExceptionEx

I don't find the solution about my problem:I have a JApplet, any problem when I compile. BUT in internet explorer I have this exception :com.ms.security.SecurityExceptionEx ....please help me....
[238 byte] By [denay] at [2007-9-26 1:49:51]
# 1
Check out the MS Knowledge Base article number Q175622, "PRB: SecurityExceptionEx Exception Running a Java Applet". It should contain the information you need.
rapson at 2007-6-29 2:56:18 > top of Java-index,Security,Signed Applets...
# 2
i had the same prb ...i have to signed the applet and put the signed jar into the classpath ... after it run well ...
pimousse_cerise at 2007-6-29 2:56:18 > top of Java-index,Security,Signed Applets...