What you might do download the latest ATI Catalyst and driver package for the HD 4000 series from AMD. Uninstall the old and reinstall the new. Personally, I don't use the Catalyst Control Center with my ATI based graphics card but that's up to you. If you don't know what it is, you can delete it and just keep the driver as well.
When I boot up my computer I get this quick flash of an error message window that reads "Catalyst Control Centre Monitor not responding" or something like that. It goes so fast that I have trouble catching it all. Now I am pretty sure that the catalyst control centre is something to do with the ATI graphics? I have this in an HP Pavilion p6620f PC with an AMD Phenom II 820 Quad-Dore Processor 64 bit 6GB DDR3, 1TB. ATI Radeon HD 4200 integrated graphics card. Any ideas?