it happened to my PC in beijing. It was caused by some webpage which modified the internet setting on your IE:
1. open IE
2. Open tools>internet opertion
3. click connection tab
4. click LAN setting
5. Check if the Proxy server setting is checked or not, if checked, remove the check
good luck
1. open IE
2. Open tools>internet opertion
3. click connection tab
4. click LAN setting
5. Check if the Proxy server setting is checked or not, if checked, remove the check
good luck
选择“Disable on www.wenxuecity.com”
选择“don't run on pages on this domain”
