Aradığım sorunun çözümünü buldum ve;

Wmaracı, bu sorun karşısında Google'da üst sıralara çıktığı için sorunu çözmek adına konuyu hortlatıyorum kusura bakmayın


C#'da Web browser çerezlerini silmek için bu kodu kullanabilirsin.

string[] Cookies = System.IO.Directory.GetFiles(Environment.GetFolderPath(Environment.SpecialFolder.Cookies));
int notDeleted = 0;
foreach (string CookieFile in Cookies)
{
try
{
System.IO.File.Delete(CookieFile);

}
catch (Exception ex)
{
notDeleted++;
}

}


System.Diagnostics.Process.Start("rundll32.exe", "InetCpl.cpl,ClearMyTracksByProcess " + 255);
System.Diagnostics.Process.Start("rundll32.exe", "InetCpl.cpl,ClearMyTracksByProcess " + 2);
System.Diagnostics.Process.Start("rundll32.exe", "InetCpl.cpl,ClearMyTracksByProcess " + 8);
System.Diagnostics.Process.Start("rundll32.exe", "InetCpl.cpl,ClearMyTracksByProcess " + 16);
System.Diagnostics.Process.Start("rundll32.exe", "InetCpl.cpl,ClearMyTracksByProcess " + 32);
System.Diagnostics.Process.Start("rundll32.exe", "InetCpl.cpl,ClearMyTracksByProcess " + 193);
System.Diagnostics.Process.Start("rundll32.exe", "InetCpl.cpl,ClearMyTracksByProcess " + 2048);
System.Diagnostics.Process.Start("rundll32.exe", "InetCpl.cpl,ClearMyTracksByProcess " + 8192);
System.Diagnostics.Process.Start("rundll32.exe", "InetCpl.cpl,ClearMyTracksByProcess " + 16384);
System.Diagnostics.Process.Start("rundll32.exe", "InetCpl.cpl,ClearMyTracksByProcess " + 22783);
System.Diagnostics.Process.Start("rundll32.exe", "InetCpl.cpl,ClearMyTracksByProcess " + 1);
System.Diagnostics.Process.Start("rundll32.exe", "InetCpl.cpl,ClearMyTracksByProcess " + 4351);