Sage 50 is one of the most preferred business management software that is employed by the all the startups and small businesses of all sectors. The software is incorporated with rich features and tools that make accounting process a breeze. The friendly interface of the software welcomes the non technical users to handle the software with great ease. But Sage program also encounters errors like other software. While the user tries to register the data source or register expression library the program restricts from doing so. This issue must be resolved as soon as possible for the smooth functioning of the software.

Why Sage user Unable to Register Data Source and  Unable to Register Expression Library?

These are the common error messages that the user face while opening Sage Accounts. The error will be followed with the error messages like:

  • ‘Unable to register datasource’
  • ‘Unable to register expression library’

If this error message is encountered by the Sage 50 Accounts v23.2 users, it is recommended that the users should run the CC Cleaner Registry Cleaner.

Causes of the Error Unable to Register Data Source and Unable to Register Expression Library

This error occurs in multiple circumstances:

Regional Settings

The above discussed issue occurs because of the improper or wrong regional settings configured in your system. Assure that English (United Kingdom) is chosen to configure the regional settings of your computer.

  • Press the Windows key + R then enter intl.cpl -> click OK.
  • Regional and Language configuration window crops up.
  • Go to the drop down in Formats drop-down option -> then click English (United Kingdom).
  • Hit the Location option -> click the Current location drop-down and click United Kingdom then click OK.

There is a probability that the issue is resolved. In case the issue crops up again click on Next.

Step to Fix Unable to Register Data Source and Unable to Register Expression Library

You can download and install the Sage Accounts – Microsoft .Net Update to resolve the error. You just have to go to link, click to download.

Once the file is downloaded successfully you will be prompted to save or open the file depending upon the browser you are using.

When you get a prompt to save the file click on Save option. This saves the downloaded file to your Windows desktop. In case you get a message with options to keep or discard the file, choose the keep option.

  • Go to the downloaded file.
  • Once you get the message you can exit and any key.
  • Reboot your computer -> Open Sage Accounts.


It is a reliable Sage support agency that houses a strong support team. The team is competent and hold in depth product knowledge who assure quick resolution of the error in a very short time. You can connect with the team by dialing the toll free Sage 50 technical Support phone support number 1844-313-4856 and fetch instant support.