First, please upgrade to the latest official version. Easiest is that you open Help->Check for Update in DbVisualizer to perform the upgrade.
An alternative is that you download from our web site:
If you still see this problem after you have upgraded, please use Help->Contact Support to submit a support ticket so that we get more info about your configuration.
Seems to be fine in the new version. Sorry!
I closed DBVis and reopened, confirmed behavior.
Product: DbVisualizer Pro 9.5 [Build #2574]
OS: Windows 10
OS Version: 10.0
OS Arch: amd64
Java Version: 1.8.0_91
Java VM: Java HotSpot(TM) 64-Bit Server VM
Java Vendor: Oracle Corporation
Java Home: c:\program files\java\jre1.8.0_91
DbVis Home: E:\OneDrive - Missouri Health Connection\!tools\DBVis
User Home: C:\Users\SBeeson