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getting Error : 1.0.[Load interface dll's failed.]. after upgrading oracle



We recently upgraded oracle so I also upgraded my client from 9i to 10g

after this I am able to connect to DB using SQL Plus, but when I tried to connect using SQL Navigator I am getting.

Error : 1.0.[Load interface dll’s failed.].

Tried reinstalling SQL Navigator but dint help.

Please help.


This may be a silly question, but when you upgrade your default oracle home may not be pointing quite correctly. Can you change the top drop down? Maybe browse and find the 10G oracle home. It is possible that this is all set up correctly and I am way off base.