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I launched the IDE and the Window became black, I will attach a thread dump Product Version = NetBeans IDE 7.4 (Build 201310111528) Operating System = Windows 7 version 6.1 running on amd64 Java; VM; Vendor = 1.7.0_45 Runtime = Java HotSpot(TM) 64-Bit Server VM 24.45-b08
Created attachment 141888 [details] IDE log
Created attachment 141889 [details] The Thread Dump
*** This bug has been marked as a duplicate of bug 236095 ***