text looks weird

I often export my Whatsapp conversations using the "export chat" feature, but the results are quite poor. Whatsapp generates a text file that contains the text of the conversation. Whatsapp replaces the emoticons with some funny Chinese-looking characters. On top of that, my conversations are in...

Hello I just reinstalled windows 7 on my PC and noticed that after the install all text / fonts look really bad in browser and everywhere. It's like there is a weird aura surrounding the text and if I zoom 125% in chrome it looks okay but something is not correct. It used to look normal and I...