Option Explicit
Sub Test()
Dim Chemin As String, NomFic As String
Chemin = "C:\Users\" & Application.UserName & "\Downloads"
Const Masque = "Export_SUIVI_CDE*"
On Error Resume Next
ChDrive Chemin: ChDir Chemin
If Err Then MsgBox "Impossible d'accéder à """ & Chemin & """." _
& vbLf & Err.Description, vbCritical: Exit Sub
NomFic = Dir(Masque)
If NomFic = "" Then MsgBox "Il n'existe aucun de fichier de la forme """ & Masque & """" _
& vbLf & "sur """ & CurDir & """.", vbCritical: Exit Sub
Do
If MsgBox("Supprimer """ & NomFic & """ sur" & vbLf & CurDir _
& " ?", vbInformation + vbYesNo) = vbYes Then
Err.Clear: Kill NomFic
If Err Then MsgBox "Kill """ & NomFic & """ => Err. " & Err _
& vbLf & Err.Description, vbExclamation
End If
NomFic = Dir: Loop Until NomFic = ""
End Sub