hangs while opening HTML file

[alfalabs]

• VSCode Version:0.10.11
• OS Version:Win7

While opening HTML file, toast message appears:

[Info] HTML CSS Class Completion: Fetching CSS rules from CSS files, please wait.

then windows popup titled Visual Studio Code:

The window is no longer responding
You can reopen or close the window or keep waiting.

Steps to Reproduce:

1. open an HTML file

[aeschli]

@alfalabs Do you have any extensions installed that could cause that? In the built-in HTML support we don't do any fetching of CSS.

[alfalabs]

@aeschli
Yes, I installed VScode yesterday and a bunch of extensions before running it.
I would expect that a third party extension should never cause VScode to hang.
This issue should be reopened as to protect VScode from bad extensions.

[egamma]

@alfalabs reopening, but now please provide detailled information about your setup:

• which extensions do you have installed
• attach the html file that caused the hang

[alfalabs]

@aeschli @egamma
In my original post, the offensive extension is mentioned in message: " HTML CSS Class Completion"
Here is the link: https://github.com/Zignd/HTML-CSS-Class-Completion
Attached is the index.html file

index.zip

[egamma]

// CC @alexandrudima

[zalayeto]

It is happening to me as well. I'm also using HTML Class Completion extension.

[levka9]

I've same issue.

![image](https://cloud.githubusercontent.com/assets/1710431/17260683/718ce54a-55da-11e6-9413-
20a276e7a02f.png)