Ensure everyone's logged out of Sage 50 Accounts, including all Remote Data Access (RDA) users
If the error mentions a specific computer, follow the steps on that computer first. If not, repeat these steps on each computer if you run the software over a network
Find the path to the company data folder
Access the computer that holds your data. If you aren't sure, check our where is my data kept? article.
Open Sage 50 Accounts, then in the Company Selection window, select the required company.
Press the three dots to the left of the company name , then press Folder location. In Sage 50 Accounts v26.3 - in the Select Company window, press Open Folder Location.
Make a note of this folder location as you'll need it later.