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Thread: #cef_error_header-105 #cef_connectionproblem /Help

  1. #1
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    Oct 2013
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    #cef_error_header-105 #cef_connectionproblem /Help

    So after my Norton Anti-Virus detects dota2.exe as a trojan, I managed to remove that problem and go on with it.

    After that I loaded Dota 2 then following I couldn't connect to Today's Tab, watch a friend game, or find a matchmaking server.

    This is what I got on my Today's Tab.

    #cef_error_header-105

    #cef_connectionproblem

    Everything is working fine except for that.

    I can't play on Bot games or Pub games.

    Please Help

  2. #2
    Basic Member Jan2011's Avatar
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    Quote Originally Posted by jinwool View Post
    update NIS, restart and update steam. then right click on dota2 on the installed game menu.
    properties/local files, verify intergrity of game cache.
    try this and it might help
    If you find spelling errors, you are free to take them.

  3. #3
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    I can't view the Store tab either.

  4. #4
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    Quote Originally Posted by Jan2011 View Post
    try this and it might help
    Still doesn't work.

  5. #5
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    I have figured out the problem in the Steam Forums.


    Go into norton settings and find smart firewall. In the list there should be dota 2.exe which is being blocked. un-block it and you should be able to to play like normal.

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