Internet Explorer support system, fail to function without IE. Before Windows Vista, it was not possible to run Windows Update without IE because the service used ActiveX technology, which no other web browser supports. The popularity of Internet Explorer has led to the appearance of malware abusing its name. On January 28, 2011, a fake Internet Explorer browser calling itself "Internet Explorer – Emergency Mode" appeared. It closely resembles the real Internet Explorer, but has fewer buttons and no search bar. If a user launches any other browser such as Google Chrome, Mozilla Firefox, Opera, Safari or the real Internet Explorer, this
SPDY following the recent final ratification of the HTTP/2 standard, support for SPDY would be deprecated, and that support for SPDY would be withdrawn. Google removed SPDY support in Google Chrome 51. Mozilla removed it in Firefox 50. , the group developing SPDY stated publicly that it was working toward standardisation (available as an Internet Draft). The first draft of HTTP/2 used SPDY as the working base for its specification draft and editing. Implementations of SPDY exist in Chromium, Mozilla Firefox, Opera, Amazon Silk, Internet Explorer, and Safari, with the implementations for Chromium and Firefox being open source software. In February