Connections not showing after restart

I just upgraded to version 1.5.0.53, imported my connection settings from my previous installation (1.3), and everything works great, until I close the program.
When I run the program again, the connections tab displays nothing after I click on the + to expand the list. The only way to get these back (not sure why this works), is to close version 1.5, open 1.3, and reopen 1.5. When I do that the new instance of 1.5 has all the connections.
Any idea why my connections are dropped like that?

I think that can come from your JDBC version and if you have different ORACLE_HOME that can complicates the situation.
Try to do this test:
====>Create a SQLDEV.CMD, in your SQLDEV_HOME (where there is sqldeveloper.exe you used to launch) :
     SET ORACLE_HOME=%CD%
START sqldeveloper.exe
====>Launch the SQLDEV.CMD
Let me know if that changes the behaviour....
Thanks
Mireille

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