An error has occurred while updating dota 2
This means your client is unable to talk to the Dota 2 Community and Matchmaking Server.This can be caused by a few issues: This issue is rarely caused by any install issues. The best thing is to wait and check the dev forums for any updates. This error occurs when you don't have original copy of Warcraft or you don't have registry entries created for Warcraft 3. Go to HKEY_CURRENT_USER\SOFTWARE\Blizzard Entertainment. Create new key, name it 'Warcraft III' (without quotes)4.You can make your registry entries manually by using Windows Registry Editor! On right side of new key entry, right click and create new string value5. Change the value of Install Path to wherever you installed it (example: 'c:\warcraft 3\')7. (this time your war3 will be installed without any errors)8. A fatal exception has occurred at xxxx:xxxxxxxx In the above example, the YZ represents the actual processor exception, this can range from 00 to 0F.Each of these processor exceptions are explained under extended information.
UPDATED 2016-08-02: This update was re-released for Windows users with a change to improve compatibility with Windows 10.
Fatal exceptions are also commonly referred to as a Fatal 0E, or improperly as a Fatal OE.
When a fatal exception is encountered, the error will be in the below format.
When playing together with a friend at the same location (LAN), we both can't connect to the same server at the same time.
This is generally caused by a router that can't handle two different computers connecting to the same remote address using UDP while using the same source port. Dota 2 is played on Valve hosted dedicated servers and no other players connect to you. Dota 2 uses the UDP protocol and communicates on ports 27015 through 28999 to our dedicated servers.
In any case if you can log into the router you should do a few simple checks. See if the hardware firewall is enabled in the router, if it is set to high try setting it to medium.