When I open TOP SESSION FINDER and click on Dataset, I got a blank screen for some instance.
I got a pie chart when I click at Pie Chart tab.
When I click at the extra button "Click here to show/hide columns", nothing is displayed
Corrupt Application data file
1. Exit out of Toad.
2. Go to your application data directory, ie:,C:\Documents and Settings\<user>\Application Data\Quest Software\Toad for Oracle\10.6\User Files.
Rename the User Files folder to User Files_backup.
3. You will temporary lose your settings. Restart Toad.
4. Manually login to the problematic connections.
5. Go to View | Option | Oracle and verify if the RULE for "Default" drop down is selected, if not please select it.
