Okay i am starting to get pissed about this right now again this is the 3rd time i post this and i want an answer now after downloading my new windows 7 (64bit) witha cd i always use when my pc is overfull and it works always so idk what the problem is atm here is my projectx log
2016/05/22 17:52:26:291 INFO K$a.b: Logging to 'C:\Program Files (x86)\Steam\steamapps\common\Spiral Knights\.\projectx.log'.
2016/05/22 17:52:33:925 INFO K$a.b: Steam initialized.
2016/05/22 17:52:34:128 INFO K$a.b: Couldn't create display; switching fullscreen mode. [fullscreen=false]
2016/05/22 17:52:34:134 WARNING K$a.b: Couldn't find valid pixel format.
Exception in thread "AWT-EventQueue-0" java.lang.RuntimeException: Controllers has not been created.
at com.threerings.opengl.gui.e.f.isValid(SourceFile:638)
at com.threerings.projectx.client.ProjectXPrefs.c(SourceFile:1211)
at com.threerings.projectx.client.ax.(SourceFile:82)
at com.threerings.projectx.client.ProjectXApp.init(SourceFile:1265)
at com.threerings.opengl.o.run(SourceFile:172)
at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209)
at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:641)
at java.awt.EventQueue.access$000(EventQueue.java:84)
at java.awt.EventQueue$1.run(EventQueue.java:602)
at java.awt.EventQueue$1.run(EventQueue.java:600)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:87)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:611)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:174)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:169)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:161)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)
2016/05/22 17:55:33:758 INFO K$a.b: Idle state changed. [idle=true]
I think this is it if someone can give me a answer and help me that would be awesome thank you ~Monstaarr RAWR
check out some threads like this
http://forums.spiralknights.com/en/node/58055
seemed to happened to them too when they reinstalled Windows 7.
some suggestions I've seen are to reinstall your video drivers and/or run steam as administrator.