What are entries Hstartdt and Cyothinc in Schedule C?

If you could give us more info on where you're seeing this, it would be helpful. These are references within the product. It is not bogus. You just shouldn't be seeing these in this way.

where do you see this because there should be nothing like what you cited unless you bought bogus software

I had the same problem.  TurboTax needs to describe it in English, not the programmer's variable name.

By trial and error I found:

In the interview go to Wages & Income, Business Items, Business Income and Expenses (Sch C)

Choose Update

Edit the business

Continue

Unmark estimated the business start date.

Others have found that noting the data entered, deleting the schedule, and reentering the data works.

THANK YOU! Your solution worked perfectly. Just wish I had researched the problem about an hour earlier.