xcompmgr error on openbox

Q:

When you iconify and restore a window, cpu is very high, and the window not to show.

The cosole show error message like this:

error 8: BadMatch (invalid paramter attributes) request 156 minor 6 serial 2325
error 9: BadDrawable (invalid Pixmap or Window parmater) request 153 minor 4 serial 2326
error 4: BadPixmap (invalid Pixmap Pixmap parameter) request 54 minor 0 serial 2357

A:

Open "OpenBox Configuration Manager"

obconf

And

"Appearanc" -> "Animate iconify and restore" (disable it)

 

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