error after instaling VB studio 2005

hi i,m geting un error .
visual studio common IDE package failed to load, also other packages that are failed to load, when i instaled the beta 2 (after uninstaling the beta 1 following the exact instructions) all whent ok in the instalation, only when i start the program i get the error i mentioned.
any help
thank you


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error after instaling VB studio 2005