Error with silabs

hey i used to have silabs i quit for while n i was like hey ill play again

First thing i did updated java - downloaded silab v 5 n many others

it opens up i can get on server and wat not buuutt

when i try to look at silabs i freeze example a store with dark bow in it i freeze

i open up the client thing that opens i get this error

jaza.util.zip.ZipException: error in opening zip file

at java.util.zip.ZipFile.open<Native Method>
at java.util.zip.ZipFile.<init><Unknown Source>
at java.util.zip.ZipFile.<init><Unknown Source>
at xc.a<xc.java>
at xc.a<xc.java>
at xc.<init><xc.java>
at client.a<client.java>
at client.b<client.java>
at a.run<a.java>
at client.run<client.java>
at java.lang.Thread.run<Unknown Source>

I NEED HELP ASAP iv been tryn to fix this for quite some time now i have winrar or wtf its called in stalled an all this bs iv downloaded to fix this

also

when i try to use webclient -- silab.client.org or w/e site is

it stays grey screen when i put mouse over any part of grey at bottom left i get this

Load: Class loader not found

how do i fix this? please help I NEED HELP RAWR!!!!

 

bump come on please need help

 

fucking help me

 

all my silab items show up as nulllllssssssss

 

Help!!

 

my silab dont even work it says error_loader_client-unable to download client and no sorry i dont know how to help can any 1 help me?