ChitChat is developed in Unicode (UTF-8) format. You will need "Arial Unicode MS" font to read/write text  properly. If you see junk characters, boxes or questions marks (like ?????) on your screen, it means that this font is not installed on your computer. The size of this font is 21 MB. This font is proprietary font of Microsoft, so it is not available for download for free. Alternatively, You may install Microsoft Office 2000 or higher version (full installation) on your system. This font comes freely with Microsoft Office 2000 or higer version.Insert the Office CD, and do a custom install. Choose Add or Remove Features. Click the (+) next to Office Tools, then International Support, then the Universal Font icon, and choose the installation option you want.