My all applications were working fine but suddenly all sites under IIS are not loading css, images, scripts. It redirect to login page.
If i login it works fine. e.g. mysite.com/Account/LogOn?ReturnUrl=%2fpublic%2fimages%2ficons%2f41.png
On my local machine it works fine without login.
The problem may be that IIS is not serving Static Content, which you can set up here:
Source: http://adilmughal.com/blog/2011/11/iis-7-not-loading-css-and-image/
Windows 10: