There is an issue with Autodesk software (such as AutoCAD) and the Microsoft Installer (MSI) software. The MSI thinks that there is still a file waiting to be installed. For whatever reason, when you execute GASWorkS, the MSI decides that it is time to finish the installation. This has been an issue for many years and with other programs, not just B3PE software. Autodesk is aware of this issue, and recommends a full uninstall and reinstall of their product. In lieu of that process, we have found that the following procedure consistently works:

Note - you may need your Autodesk installation disk and you will need to have full administrative rights to proceed.

In Windows 10

1. From the Start Menu, find and select the Windows Settings item.
2. Find and select the Apps item.
3. In the Apps & Features list, find and select the associated Autodesk product.
4. Select the Uninstall option (you will not need to actually uninstall the software).
5. Respond to the various prompts until the Autodesk installation screen appears.
6. Select Repair or Reinstall.
7. Follow the Autodesk prompts.

Completion of these steps should correct the issue. Back to Index

In order to validate a User's license, on startup GASCalc attempts to access the associated validation file on our ftp site on. This requires an internet connection and permission to read and write files across the connection. You may receive an "Unable To Validate License" or similar message, if:

1. There is no internet connection. To resolve, get/make an internet connection
2. Your firewall or virus checker is blocking the read and/or write process. To resolve, review your settings and allow the required actions as appropriate.
3. Our ftp site is unavailable. To resolve, try to startup again later.

In order to startup GASCalc, check whether any of these conditions exist and correct as appropriate. Once you have started GASCalc, if you know or suspect that you may not have an internet connection in future, you may "check out" a license using the Without Returning License item from the Exit GASCalc submenu of the File menu list. Back to Index

Pay special attention to the placement of the spaces in the command string. Back to Index

Because so many applications use the Jet Engine, the Engine's files are often overwritten when a new application like Microsoft Office, Excel, or Access is installed on the User's machine. These applications generally contain older versions of the Engine. Click here to access information about the Service Pack from the Microsoft website, or click here to download the Service Pack from our website.

If you are experiencing any of the listed database problems, download and install the Engine update. After downloading the update file, unzip or extract the contents of the file, double click on the resulting "exe" file and follow the instructions to install. Back to Index

Pay special attention to the placement of the spaces in the command string. Back to Index

Pay special attention to the placement of the spaces in the command string. Back to Index