Private Sub CommandButton1_Click()
Range("C3:H2000").Replace "#N/A N/A", ""
Dim Rng As Range, R As Range
For Each R In Range("A1").CurrentRegion.Rows
If R.Cells(3) = "" Then If Rng Is Nothing Then Set Rng = R Else Set Rng = Union(Rng, R)
Next
Rng.Delete xlUp