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General Discussion Unable to open Cost X

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    • #1713

      The first time  I open costx 6.8 was fine but next day when I try to open it , what it said for the detail error message is :  EPgSocketError:Erro on data writing to the connecction : Invalid Socket. Hope that you could help me fix it soon , as I am desperated now. And I just apply for 6.9 version , I dont know if it helps.

    • #1714
      RIB CostX

      Hi Chun Hoo,

      Thanks for posting on the forum.

      Primarily, there are two common reasons for this error. Firstly, you should check if the CostX Database service is running. Open your Services windows and scroll down to “CostX Database” and check the Status. If it is not running, right click and select “Start”. If you have done this and still get the unable to connect to the database error, then this may be due to a firewall or antivirus software assuming that CostX is a malware. In this case, you will need to either add the Exactal program folder to the AV exclusions list of disable the AV scan and run CostX installer again to repair CostX services.

      Hope this helps! For further enquiry, please contact

      Thank you.

      iTWO costX Forum Admin

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