#12 Accpac Error “Could not open UI”

29 May

Date: 29 May 2011

Some of the time while working on Accpac we might face an issue regarding Accpac UI on client PC or on the server and then we are unable to open the Accpac UI. The error message says ”Could not open UI”.
There is not a single thing on which the Accpac is dependent to run a UI. Accpac checks several things before opening its UI. Like Database should not be locked due to any database related process. Even if somebody is working on database like module activation, Accpac will not allow opening the UI.
Ok, so we can check few or all the following points in order to analyze and rectify the UI problems:

1. Maybe somebody is doing activation: In this case we can wait until the activation completes.
2. Delete SEMAPHOR.BIN: This file contains the detail of the Accpac UIs. It will create itself when first user logs in to the system. This file will be in the Site folder of Accpac. You can delete this file so that Accpac itself recreate it.
3. Check your ODBC DSNs: if database administrator make some changes on Accpac application or database server, it become the cause of the error. ODBC should be checked or else delete the ODBC which is server name32. Accpac will recreate the ODBC with new configurations.
4. Make sure the path to Accpac.exe is the same as the path in the registry: Some time if you reinstall the workstation or make changes on the server, error comes then you can check the properties of Accpac exe and make sure that it is pointing to the same path as it is there in the following registry entry HKLM\Software\Accpac\Configuration

Hope by following above stated steps one can rectify the Accpac UI issue. If someone still face problem then he need to contact Sage Accpac Certified consultant or local Accpac partner.



Posted by on May 29, 2011 in Accpac Support


Tags: , ,

3 responses to “#12 Accpac Error “Could not open UI”

  1. meraj

    October 6, 2011 at 6:13 pm


    If the machine is not intended to act as an ACCPAC Web Server, the error may be resolved by shutting down and deleting the ACCPAC and ACCPAC ASP applications in the Component Services, COM+ Applications folder.

    • Saikhanaa

      November 14, 2013 at 8:51 am

      Thank you very much. It’s really nice. I have tried to fix this error for many days but i can’t.

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    March 17, 2013 at 4:11 am

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