Method 1: Simply log into Windows using the admin user account and then successfully access & upgrade the QuickBooks Desktop POS
•Firstly, you shall verify the type of Windows user account that you are currently using on your system, and for that purpose, you must launch the ‘Control Panel’ on your computer and then straightaway identify & tap the ‘User Accounts’ option.
•Just thereafter, click on the ‘Manage another account’ button and then check the type of Windows user account that you are currently using on your computer.
•At this step, if you are not utilizing the Windows admin user account, then you must attentively choose that account to log into Windows, after which you will be successful in accessing & upgrading the QuickBooks Desktop POS.
Method 2: Verify that the QuickBooks
POS Company Data Folder is not corrupt and then restore the relevant database file
•First and foremost, you shall have to reach & tap the ‘File’ menu immediately after opening up the QB Desktop application and then simply strike the ‘Company Operations’ tab so that you can easily hit the ‘Create new company’ option.
•Just after that, click on the ‘Next’ button and then affix a suitable name to the new company file, and finally, tap the “Create’ button to create the new company file.
•If you are successful in creating a new company file, then you should navigate back to the ‘Company Operations’ tab under the ‘File’ menu so that you can easily strike on the ‘Restore from backup’ option.
•Immediately thereafter, identify & tap the ‘Next’ button so that you can utilize the ‘Browse’ option to access the database file.
•The database file is generally located in the ‘C: drive’, and the file path is like this: ‘C: \Users\Public\Public Documents\Intuit\ QuickBooks Point of Sale XX\Data\ (your backup company file name)’. Here, ‘XX’ points out the version of the QuickBooks Desktop POS presently installed on your computer.
•Now, carefully choose the ‘qbpos.db’ file and then simply hit the ‘Open’ and the ‘OK’ buttons consecutively; after that, you can easily assign a fresh name to the restored database file to ensure easy access to the QuickBooks POS.