Issue details

I listened to the folder,"www.wjq123.iii.cc.wjq.dev.cc" is my server,I did not use gulp or grunt.When I modify the file, "sync.swapFile" method of the client can not get the resource and returns the status of the 500.and the usePolling parameter of watchOptions is true.

The server side of the prompt is normal,

thank you!

Steps to reproduce/test case

Please provide necessary steps for reproduction of this issue, or better the
reduced test case (without any external dependencies).

Please specify which version of Browsersync, node and npm you're running

• Browsersync [ 2.18.7 ]
• Node [ 6.9.4 ]
• Npm [ 3.10.10 ]

Affected platforms

• windows

Browsersync use-case

• CLI

If CLI, please paste the entire command below

browser-sync start --proxy "www.wjq123.iii.cc.wjq.dev.cc" --files="css/*.src.css"