After that download all available Point of Sale (POS) update on your system.
Ensure that there are No other applications or programs are running on your computer.Now open Task Manager by pressing (Ctrl+Alt+Del keys) and choose Processes tab:qbpos.exeQBPOSShell.exeQBPOSDBService.exe
You need to highlight all .EXE files and hit End All option.
Next, you should close POS services active: QBPOS Database Manager vXX.Spot the .msc files and then opt for the Services Window and find QBPOS Database Manager vXX.Close all running POS services and Service windows.You will have to remove the data in context to the product update folder in the system:It is supposed to move to the Windows Start tab and then open the Windows Explorer window.Hit a click on Show as hidden window folders.Followed by looking for the location: C:\Documents and Settings \ All Users\ Application Data\Intuit \ QuickBooks POS XX\ Update.Move to the File menu and then hit the Delete option that appears on the window.Towards the end, press Alt + F4 keys or manually close the Windows Explorer dialogue box.Lastly, proceed to update QuickBooks Point of Sale and you are done with the process.
Greetings,
Peter