Why is there no deduction for employee social security taxes in 2011 payroll
employee social security taxes were not deducted - I am using enhanced payroll - what happened
employee social security taxes were not deducted - I am using enhanced payroll - what happened

If the payroll is not up to date with the most current needed version of payroll or your subscription has expired then the paychecks or not computed correctly.
Go to > Employees > Get Payroll Update