I have a problem with Oracle as well.. After i installed Oracle express.. I tried it for the first time and it worked. The next day, i tried to bring it up on my computer and i kept getting message that it couldn't connect to the server even though my internet was on..What is that all about??

What exactly is the error message.

If oracle server is installed on your own PC why you need internet.

Check that oracle service and listener is in running (from control panel).

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