How to Clear INetCache in C# Step 01. Create Variable private const int INTERNET_OPTION_END_BROWSER_SESSION = 42; [DllImport("wininet.dll", SetLastError = true)] private static extern bool InternetSetOption(IntPtr hInternet, int dwOption, IntPtr lpBuffer, int lpdwBufferLength); Step 02. Create Method private static void ClearIEFolder() { try { string args1 = ""; args1 = ("InetCpl.cpl,ClearMyTracksByProcess 8"); System.Diagnostics.Process process = null; System.Diagnostics.ProcessStartInfo processStartInfo; processStartInfo = new System.Diagnostics.ProcessStartInfo(); processStartInfo.FileName = Environment.GetFolderPath(Environment.SpecialFolder.System) + "\\Rundll32.exe"; if ((System.Environment.OSVersion.Version.Major >= 6)) { // Windows Vista or higher processStartInfo.Verb = "runas"; } processStartInfo.Arguments = args1; processStartInfo.WindowStyle = System.Diagnostics.ProcessWindowStyle.Hidden; processStartInfo.UseShellExecute = false; processStartInfo.RedirectStandardOutput = true; processStartInfo.RedirectStandardError = true; try { process = System.Diagnostics.Process.Start(processStartInfo); } catch { } finally { if (!(process == null)) { process.Dispose(); } } } catch { } try …