sql server 2005 hangs when i click user mapping to new user

ahmedba

im sorry i added this article in another place by wrong forgive me

Hi guys i have sql server 2005 i installed before 2 days every thing is ok but when i create user in security for all database then i click user mapping it hangs and frezes and take more time and last not open after this error reporting of sql server display then when i click to see message tell me found that there are error in two files sqlwb.msdp and appcompat how i solve this proplem please help me
notes
user mapping found in
open ssms
click databases
security
new login
user mapping
thanks