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Activation & Licensing Unable to re-install

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    • #1300

      Hi Admin,

      I recently formatted my laptop and had to reinstall the software, but the serial no. is not able to activate the program. Would you be able to help me out?

      The serial no. is valid till 31th Dec 2018.

      Academic mail address:

      Thanks in advance


    • #1301
      RIB CostX

      Hi EyeOfAdi,

      An educational CostX licence can only ever be activated once, on one computer. As you’ve tried to uninstall and reinstall again, you’ll need to get a new serial number.

      Firstly, completely uninstall CostX from your current computer, including selecting ‘No’ when asked if you wish to keep the database.

      Then, please apply for a new licence at the following link:

      Once installation is complete, you should be able to use your new licence with no issues.

      Hope this helps!


      CostX Forum Admin

    • #1392


      My name is Elena and I study at University of Portsmouth where we use Costx versión 6.5 .

      I am experiencing problems with my laptop and I will need to do a formatting but as it says on the email, that we can only use this serial number once, I am waiting to get a new serial number just before I do the formatting of my laptop which I need to do ASAP.

      As I read on your answer before, if I try to ask for a new serial number, it only allowes me to do it for 6.6 onwards but I need 6.5 because this is the one university asked me for because is the licence they have.

      My actual serial number is: ECF5-1392-8482-E399

      Expiry Date: 30 June 2019

      My academic email address is

      Thanks so much in advance, I really hope you could help me.

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