Run-time error "5"; Invalid Procedure call or argument

error #-2147467259 sql server does not exists or access denied

error #-2147467259 sql server does not exists or access denied. (source: Microsoft OLE DB Provider for SQL Server)

SELECT GETDATE() AS CurrentDateTime

after that is displayed anothe error pops up

Store Operations POS

Run-time error "5";

Invalid Procedure call or argument

RMS Ver 2.0.1006

SQL 2008R2

Window 7

I am getting above error message durning a transacion ramdomly.

It happens after upgraded from SQL 2005 to SQL 2008r2.

any idea??