I have this problem on one machine, too.
That one that have it is an Lenovo Y60p with an Intel i7-2630QM and an ATI Readeon 5000 Series grafics.
That one that doesn't have it is an self build PC with an AMD Phenom II 1090T and an NVIDIA Geforce GTS 450.
I have this problem on one machine, too.
That one that have it is an Lenovo Y60p with an Intel i7-2630QM and an ATI Readeon 5000 Series grafics.
That one that doesn't have it is an self build PC with an AMD Phenom II 1090T and an NVIDIA Geforce GTS 450.