Try to disable hardware acceleration. *Tools > Options > Advanced > General > Browsing: "Use hardware acceleration when available" If disabling hardware acceleration works then check if there is an update available for your graphics display driver. ---- If you have increased the minimum font size then try the default setting "none" as a high value can cause issues like you described. * Tools > Options > Content : Fonts & Colors > Advanced > Minimum Font Size (none) *Tools > Options > Content : Fonts & Colors > Advanced > [X] "Allow pages to choose their own fonts, instead of my selections above"