none of the special disqualifying conditions for Va low income credit apply to me

These are 2 different credits. Verify that no one is claiming you in your profile section (maybe accidental selection) and check the disqualifiers below.

Virginia Earned Income Tax Credit (EITC) states:

EITC

You also may not claim this credit if 

• you were claimed as a dependent on someone else’s Virginia income tax return, or
• you, your spouse, or any dependent listed on your return claimed one or more of the following exemptions, deductions, or subtractions:
  • subtraction for wages or salaries received by members of the Virginia National Guard
  • subtraction for up to $15,000 of military basic pay for military service personnel on extended active duty
  • subtraction for up to $15,000 of salary for a federal or state employee whose annual salary is $15,000 or less
  • additional personal exemption for blind or aged taxpayers
  • age deduction

Low Income

You qualify for the credit if your family’s total Virginia adjusted gross income (VAGI) is below federal poverty guidelines. See Virginia Tax Credit.

If you see that you do qualify for one or both and the program is not allowing it,  contact support.