Following are the latest methods in order to troubleshoot the QuickBooks Point of Sale Error 10060:
Solution 1: Socket is not connected
Confirm whether socket is connected or not
Tighten socket just to make sure
Try to connect
See if this works otherwise move to the next step
Solution 2: Interference of security software
Deactivate all the security software installed on your computer including Windows firewall
Process the transactions one more time
The issue must be resolved if there is no error showing
Solution 3: More than one workstation is in use
Firstly, Click on Edit menu
Choose Preferences
Select Company
Click on Communication Setup
Confirm if Use this computer for all credit card and debit transactions option is chosen. If not then choose it
Click on Save
Exit window and then reopen QuickBooks POS
Jump to Tools menu
Select User Information
Watch if WS-EFT server is there under Workstation and if it is yes, then process the card
This may help you,
Rachel Gomez