Upload & Sell: Off
If you are using Windows 7, you may have made a font substitution to the usual font displayed in the browser.
If not, here's something else to try:
1. Click the start button (Microsoft Logo bottom left of screen)
2. Type into the search box: appearance
3. Click on the link that appears near the top ---> Adjust the appearance and performance of Windows
4. Uncheck Smooth edges of screen fonts