How to use VBA to change 0 value to Blank based on criteria in another column

Requirement:

In the attached, the user needs VBA code to delete the values in Column K that have a "0" value if the value in column C begins with "1111".

First tab is raw data, second tab is desired results.

Attached is a representative spreadsheet, actual spreadsheet can be many thousands of rows.

https://www.ozgrid.com/forum/forum/help-forums/excel-vba-macros/1196362-vba-to-change-0-value-to-blank-based-on-criteria-in-another-column

Solution:

Code:

Sub ClearColK()
    Application.ScreenUpdating = False
    Dim LastRow As Long
    LastRow = Cells.Find("*", SearchOrder:=xlByRows, SearchDirection:=xlPrevious).Row
    Range("A1:K" & LastRow).AutoFilter Field:=3, Criteria1:="=1111*"
    Range("A1:K" & LastRow).AutoFilter Field:=11, Criteria1:="0"
    Range("K2:K" & LastRow).SpecialCells(xlCellTypeVisible).ClearContents
    If ActiveSheet.AutoFilterMode = True Then ActiveSheet.AutoFilterMode = False
    Application.ScreenUpdating = True
End Sub

Obtained from the OzGrid Help Forum.

Solution provided by Mumps.