I just migrated from XP to Win 7. I am guessing this error has to do with switching operating systems. I wrote a .net application that basically massages a large amount of d
I had the same issue after installing the 64 bit Oracle client on Windows 7 64 bit. The solution that worked for me:
cd \oracle\product\11.2.0\client_64\BIN
c:\Windows\system32\regsvr32.exe OraOLEDB11.dll