Why does Excel insist on staying in my task manager?

This Does Work!

For j = 1 To 5
xlApp.Workbooks(LastMonthReport).Worksheets("Week" & j).Select

Set Wsheet = xlApp.Workbooks(LastMonthReport).Worksheets("Week" & j)

Wsheet.Range("D1").Value = ""

Set Wsheet = Nothing
xlApp.Quit
Set xlApp = Nothing

Wsheet.Range("F3", cells(DeleteRow, 6)).Value = ""

Next j


This Doesn't Work!

For j = 1 To 5
xlApp.Workbooks(LastMonthReport).Worksheets("Week" & j).Select

Set Wsheet = xlApp.Workbooks(LastMonthReport).Worksheets("Week" & j)

Wsheet.Range("D1").Value = ""
Wsheet.Range("F3", cells(DeleteRow, 6)).Value = ""

Set Wsheet = Nothing
xlApp.Quit
Set xlApp = Nothing

Next j