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Product Version = NetBeans IDE 8.0.2 (Build 201411181905) Operating System = Windows 7 version 6.1 running on amd64 Java; VM; Vendor = 1.8.0_11 Runtime = Java HotSpot(TM) 64-Bit Server VM 25.11-b03 When netbeans decides to freeze/hang for a while duo to swapping, there is a change that the projects windows is mesed up, example: https://www.dropbox.com/s/ud6m1n286csvzcc/Schermafdruk%202015-12-18%2012.40.47.png?dl=0 https://www.dropbox.com/s/em07kbaiffwcqhm/Schermafdruk%202015-12-18%2012.41.06.png?dl=0 When you try to scroll below the whitespace in the projects window, the window will wrap the scrolling up and the only way to fix this is unexpanding EVERYTHING and reexpanding them.
Created attachment 157836 [details] IDE log
Please try NB 8.1