Error: kCGErrorIllegalArgument: CGSSetWindowTransformsAtPlacement: Failed
I've looked into console.app and I found the following. It happens quite often. What is it, is there a possibility to solve it?
com.apple.Dock.agent[141] Tue Mar 22 19:34:56 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowTransformsAtPlacement: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:34:56 noname Dock[141] <Error>: kCGErrorFailure: Set a breakpoint @ CGErrorBreakpoint() to catch errors as they are logged.
com.apple.Dock.agent[141] Tue Mar 22 19:34:56 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowTransformAtPlacement: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:34:56 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowListSystemAlpha: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:34:56 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowTransformsAtPlacement: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:34:56 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowTransformAtPlacement: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:34:56 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowListSystemAlpha: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:34:56 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowTransformsAtPlacement: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:34:56 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowTransformAtPlacement: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:34:56 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowListSystemAlpha: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:34:56 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowTransformsAtPlacement: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:34:56 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowTransformAtPlacement: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:34:56 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowListSystemAlpha: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:34:56 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowTransformsAtPlacement: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:34:56 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowTransformAtPlacement: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:34:56 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowListSystemAlpha: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:34:57 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowTransformsAtPlacement: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:34:57 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowTransformAtPlacement: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:34:57 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowListSystemAlpha: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:34:57 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowTransformsAtPlacement: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:34:57 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowTransformAtPlacement: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:34:57 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowListSystemAlpha: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:34:57 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowTransformsAtPlacement: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:34:57 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowTransformAtPlacement: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:34:57 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowListSystemAlpha: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:34:57 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowTransformsAtPlacement: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:34:57 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowTransformAtPlacement: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:34:57 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowListSystemAlpha: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:34:57 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowTransformsAtPlacement: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:34:57 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowTransformAtPlacement: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:34:57 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowListSystemAlpha: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:34:57 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowTransformsAtPlacement: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:34:57 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowTransformAtPlacement: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:34:57 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowListSystemAlpha: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:34:57 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowTransformsAtPlacement: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:34:57 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowTransformAtPlacement: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:34:57 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowListSystemLevel: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:34:57 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowListSystemLevel: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:34:57 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowListSystemAlpha: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:37:40 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowTransformsAtPlacement: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:37:40 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowTransformAtPlacement: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:37:40 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowTransformAtPlacement: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:37:40 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowTransformAtPlacement: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:37:40 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowListSystemAlpha: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:37:40 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowTransformsAtPlacement: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:37:40 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowTransformAtPlacement: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:37:40 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowTransformAtPlacement: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:37:40 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowTransformAtPlacement: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:37:40 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowListSystemAlpha: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:37:40 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowTransformsAtPlacement: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:37:40 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowTransformAtPlacement: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:37:40 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowTransformAtPlacement: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:37:40 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowTransformAtPlacement: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:37:40 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowListSystemAlpha: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:37:40 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowTransformsAtPlacement: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:37:40 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowTransformAtPlacement: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:37:40 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowTransformAtPlacement: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:37:40 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowTransformAtPlacement: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:37:40 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowListSystemAlpha: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:37:40 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowTransformsAtPlacement: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:37:40 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowTransformAtPlacement: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:37:40 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowTransformAtPlacement: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:37:40 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowTransformAtPlacement: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:37:40 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowListSystemAlpha: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:37:40 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowTransformsAtPlacement: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:37:40 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowTransformAtPlacement: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:37:40 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowTransformAtPlacement: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:37:40 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowTransformAtPlacement: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:37:40 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowListSystemAlpha: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:37:40 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowTransformsAtPlacement: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:37:40 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowTransformAtPlacement: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:37:40 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowTransformAtPlacement: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:37:40 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowTransformAtPlacement: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:37:40 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowListSystemAlpha: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:37:40 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowTransformsAtPlacement: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:37:40 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowTransformAtPlacement: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:37:40 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowTransformAtPlacement: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:37:40 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowTransformAtPlacement: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:37:40 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowListSystemAlpha: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:37:40 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowTransformsAtPlacement: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:37:40 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowTransformAtPlacement: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:37:40 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowTransformAtPlacement: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:37:40 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowTransformAtPlacement: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:37:40 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowListSystemAlpha: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:37:40 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowTransformsAtPlacement: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:37:40 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowTransformAtPlacement: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:37:40 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowTransformAtPlacement: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:37:40 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowTransformAtPlacement: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:37:40 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowListSystemAlpha: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:37:40 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowTransformsAtPlacement: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:37:40 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowTransformAtPlacement: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:37:40 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowTransformAtPlacement: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:37:40 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowTransformAtPlacement: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:37:40 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowListSystemAlpha: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:37:40 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowTransformsAtPlacement: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:37:40 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowTransformAtPlacement: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:37:40 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowTransformAtPlacement: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:37:40 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowTransformAtPlacement: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:37:40 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowListSystemAlpha: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:37:40 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowTransformsAtPlacement: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:37:40 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowTransformAtPlacement: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:37:40 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowTransformAtPlacement: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:37:40 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowTransformAtPlacement: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:37:40 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowListSystemAlpha: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:37:40 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowTransformsAtPlacement: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:37:40 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowTransformAtPlacement: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:37:40 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowTransformAtPlacement: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:37:40 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowTransformAtPlacement: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:37:40 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowListSystemAlpha: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:37:40 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowTransformsAtPlacement: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:37:40 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowTransformAtPlacement: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:37:40 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowTransformAtPlacement: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:37:40 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowTransformAtPlacement: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:37:40 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowListSystemAlpha: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:37:40 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowTransformsAtPlacement: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:37:40 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowTransformAtPlacement: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:37:40 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowTransformAtPlacement: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:37:40 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowTransformAtPlacement: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:37:40 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowListSystemAlpha: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:37:40 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowTransformsAtPlacement: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:37:40 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowTransformAtPlacement: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:37:40 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowTransformAtPlacement: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:37:40 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowTransformAtPlacement: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:37:40 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowListSystemLevel: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:37:40 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowListSystemLevel: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:37:40 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowListSystemLevel: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:37:40 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowListSystemLevel: Failed
com.apple.Dock.agent[141] Tue Mar 22 19:37:40 noname Dock[141] <Error>: kCGErrorIllegalArgument: CGSSetWindowListSystemAlpha: Failed
MacBook5,1, Mac OS X (10.6.7)