The 'Restore File Not Found' error occurs if the backup format is wrong. Ensure only one file exists, named BACKUP.ACC (Accounting) or BACKUP.STK (Inventory/Billing). If your backup is a copied UBS folder from C: restore it as shown below.
Before restoration:
Please ensure to do this in the Main/Server PC if you have a multi-user license, using the admin user ID.
Make sure to have your backup files/folder in the PC (either saved in the PC or plug the external drive).
Open UBS Accounting.
Log in to the system (Admin username & Password).
Click Create (in modern view) or Create New Company (in classic view).
Choose Standalone\Server.
Key in Company Name (make sure to use a different name from the existing company). e.g.: ABC Sdn Bhd.
Click Next, Next, Start.
System Message will be out. Click OK.
Go to the C:\ drive on your computer.
Open the UBSACC2015 folder.
Open the newly created company folder (folder named ABC_Sdn_Bhd).
Delete all files/folders that exist in this newly created company folder.
Copy all the backup files/folders from the drive that you have saved and paste them into the newly created company folder.
Go to UBS Accounting and open the database.