Flash builder crashing at splash screen

My computer crashed and since then my flash builder hasn't worked. I've reinstalled it twice, but it still silently crashes on the splash screen. I've run it with -clean in teh terminal and get this errror:

"
Exception in thread "Thread-1" org.eclipse.swt.SWTException: Invalid thread access
    at org.eclipse.swt.SWT.error(SWT.java:4282)
    at org.eclipse.swt.SWT.error(SWT.java:4197)
    at org.eclipse.swt.SWT.error(SWT.java:4168)
     at org.eclipse.swt.widgets.Widget.error(Widget.java:774)
    at org.eclipse.swt.widgets.Widget.dispose(Widget.java:661)
    at org.eclipse.swt.widgets.Shell.closeWidget(Shell.java:611)
    at org.eclipse.swt.widgets.Shell.windowWillClose(Shell.java:2261)
     at org.eclipse.swt.widgets.Display.windowProc(Display.java:5445)
    at org.eclipse.equinox.launcher.JNIBridge._takedown_splash(Native Method)
    at org.eclipse.equinox.launcher.JNIBridge.takeDownSplash(JNIBridge.java: 167)
     at org.eclipse.equinox.launcher.Main.takeDownSplash(Main.java:2050)
    at org.eclipse.equinox.launcher.Main$SplashHandler.run(Main.java:111)

 

"

 

This is driving me insane not being able to figure this out. Any help before monday would be awesome.