I see so could possibly be an admin issue or other. try locate "\SteamApps\common\Counter-Strike Global Offensive\csgo.exe" and right click the file and goto properties, once in properties UNCHECK 'Run As Administrator' and also UNCHECK 'Compatibility Mode' and then press 'Apply' then click 'OK'. Proceed with loading Steam and selecting Counter-Strike: Global Offensive and press Play, Hopefully this has fixed the current update bug that has caused it to crash/freeze.
If that didn't work try going to your CS:GO folder, find csgo.exe (the application which starts the game) and DELETE this app. Then go to steam library - Right click CSGO - Go to properties - Local files - Verify integrity of Game Cache. When it's done you will get new csgo.exe file. Then right click on this new csgo application - Properties - Compatibility, and UNCHECK everything.
Go to Library - CS:GO - Properties - Set launch Options - cl_disablehtmlmotd 1
Then run the game from steam and check if it helps.
If its still a no go try updating your bios, windows, java/flash, and your .net.
https://java.com/en/download/
http://www.adobe.com/support/flashplayer/debug_downloads.html
go.microsoft.com/?linkid=9831986
Lastly try disabling your antivirus and software firewall. I can get Avast to work but not all are so giving. Thry this also.
1. Open your Steam library
2. Search for CS:GO and right click on it
3. Select properties
4. Here select "Launch options"
5. and type in "-autoconfig"
6. Launch CSGO.