Toad
Getting "ORA-12645: Parameter does not exist" error when trying to connect
1. Right click on the Toad shortcut and take a look at the "Start In" entry
2. If its blank, put the path to your Toad folder (eg. C:\Program Files\Quest Software\Toad 7.3)
3. Click "Apply" and then click "OK"
4. Try to connect again using Toad