[plt-scheme] cvs installation problem

I've got a problem installing drscheme 203.4 (cvs)
I try to update another cvs version (203.2) but when update is finished
i've got the following error when i launch drscheme:
 
c:\progra~1\plt\collects\mred\mred.ss:473:23: compile: unbound variable
in module in: super-enable5
c:\progra~1\plt\collects\mred\mred.ss:473:23: compile: unbound variable
in module in: super-enable5
 
 
can you help me?
 
Thanks 
 
 
 
Nicolas Chevallier
 

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