problems when working in internet explorer when click on the edit -> setings error in all modules. mozilla firefox but no such problems. as correct?

this error "A critical error has occurred.
Failed to load viewstate. The control tree into which viewstate is being loaded must match the control tree that was used to save viewstate during the previous request. For example, when adding controls dynamically, the controls added during a post-back must match the type and position of the controls added during the initial request."