System Access is Denied Code 5
Dear team,
since our last security updates, I'm not able to use WinSCP in our C# project. We are receiving following error when we open a session.
We are using FileZilla within a domain and using local IP. The error happens before connection is made to server.
C# code
Error:
Here is the full log:
Would be greatful if you could shed some light.
Thank you
since our last security updates, I'm not able to use WinSCP in our C# project. We are receiving following error when we open a session.
We are using FileZilla within a domain and using local IP. The error happens before connection is made to server.
C# code
try { using (Session session = new Session()) { session.FileTransferProgress += SessionFileTransferProgress; // Connect session.Open(sessionOptions); <--- HERE
session.Open(mSessionOptions);
'session.Open(mSessionOptions)' threw an exception of type 'System.ComponentModel.Win32Exception'
Data: {System.Collections.ListDictionaryInternal}
ErrorCode: -2147467259
HResult: -2147467259
HelpLink: null
InnerException: null
Message: "Access is denied"
NativeErrorCode: 5
Source: "System"
StackTrace: " at System.Diagnostics.Process.StartWithCreateProcess(ProcessStartInfo startInfo)\r\n at System.Diagnostics.Process.Start()\r\n at WinSCP.ExeSessionProcess.InitializeChild()\r\n at WinSCP.ExeSessionProcess.Start()\r\n at WinSCP.Session.Open(SessionOptions sessionOptions)"
TargetSite: {Boolean StartWithCreateProcess(System.Diagnostics.ProcessStartInfo)}[2020-10-03 12:31:35.454] [0001] .NET Framework build [2020-10-03 12:31:35.458] [0001] Executing assembly: WinSCPnet, Version=1.7.2.10640, Culture=neutral, PublicKeyToken=2271ec4a3c56d0bf [2020-10-03 12:31:35.458] [0001] Executing assembly codebase: file:///C:/Users/xxx/source/Workspaces/WLL/xxxProductName/ProductName/bin/x86/Debug/WinSCPnet.dll [2020-10-03 12:31:35.458] [0001] Executing assembly location: C:\Users\xxx\source\Workspaces\WLL\xxxProductName\ProductName\bin\x86\Debug\WinSCPnet.dll [2020-10-03 12:31:35.458] [0001] Entry Assembly: unmanaged [2020-10-03 12:31:35.458] [0001] Operating system: Microsoft Windows NT 10.0.19041.0 [2020-10-03 12:31:35.460] [0001] Timezone: +01:00; GMT Daylight Time [2020-10-03 12:31:35.461] [0001] User: xxx@domain@LAP000405; Interactive: True [2020-10-03 12:31:35.461] [0001] Runtime: 4.0.30319.42000 [2020-10-03 12:31:35.462] [0001] Console encoding: Input: Western European (Windows) (1252); Output: Western European (Windows) (1252) [2020-10-03 12:31:35.462] [0001] Working directory: C:\Users\xxx\Documents [2020-10-03 12:31:35.528] [0001] Assembly path: C:\Users\xxx\source\Workspaces\WLL\xxxProductName\ProductName\bin\x86\Debug\WinSCPnet.dll [2020-10-03 12:31:35.528] [0001] Assembly product version: 5.17.7.0 [2020-10-03 12:32:13.267] [0001] Session.Open entering [2020-10-03 12:32:13.268] [0001] Session.SetupTempPath entering [2020-10-03 12:32:13.269] [0001] Configured temporary file: C:\ccmsApps\WinScpXmlLog.log - Exists [False] [2020-10-03 12:32:13.269] [0001] Session.SetupTempPath leaving [2020-10-03 12:32:13.269] [0001] ExeSessionProcess..ctor entering [2020-10-03 12:32:13.269] [0001] ExeSessionProcess.GetExecutablePath entering [2020-10-03 12:32:13.270] [0001] Executable found in C:\Users\xxx\source\Workspaces\WLL\xxxProductName\ProductName\bin\x86\Debug\winscp.exe [2020-10-03 12:32:13.270] [0001] ExeSessionProcess.GetExecutablePath leaving [2020-10-03 12:32:13.270] [0001] EXE executable path resolved to C:\Users\xxx\source\Workspaces\WLL\xxxProductName\ProductName\bin\x86\Debug\winscp.exe [2020-10-03 12:32:13.271] [0001] ExeSessionProcess.CheckVersion entering [2020-10-03 12:32:13.274] [0001] Version of C:\Users\xxx\source\Workspaces\WLL\xxxProductName\ProductName\bin\x86\Debug\winscp.exe is 5.17.7.10640, product WinSCP version is 5.17.7.0 [2020-10-03 12:32:13.274] [0001] ExeSessionProcess.CheckVersion leaving [2020-10-03 12:32:13.274] [0001] ExeSessionProcess..ctor leaving [2020-10-03 12:32:13.276] [0001] ExeSessionProcess.Start entering [2020-10-03 12:32:13.276] [0001] ExeSessionProcess.InitializeConsole entering [2020-10-03 12:32:13.276] [0001] Trying event _15440_65204782_813 [2020-10-03 12:32:13.276] [0001] Creating event WinSCPConsoleEventRequest_15440_65204782_813 [2020-10-03 12:32:13.277] [0001] Created event WinSCPConsoleEventRequest_15440_65204782_813 with handle 6520 with security none, new True [2020-10-03 12:32:13.277] [0001] Event _15440_65204782_813 is unique [2020-10-03 12:32:13.277] [0001] Creating event WinSCPConsoleEventResponse_15440_65204782_813 [2020-10-03 12:32:13.277] [0001] Created event WinSCPConsoleEventResponse_15440_65204782_813 with handle 6524 with security none, new True [2020-10-03 12:32:13.277] [0001] Creating event WinSCPConsoleEventCancel_15440_65204782_813 [2020-10-03 12:32:13.277] [0001] Created event WinSCPConsoleEventCancel_15440_65204782_813 with handle 6992 with security none, new True [2020-10-03 12:32:13.277] [0001] Acquiring communication structure [2020-10-03 12:32:13.277] [0001] Acquired communication structure [2020-10-03 12:32:13.277] [0001] Releasing communication structure [2020-10-03 12:32:13.277] [0001] Released communication structure [2020-10-03 12:32:13.277] [0001] Job created [2020-10-03 12:32:13.277] [0001] Job set to kill all processes [2020-10-03 12:32:13.277] [0001] ExeSessionProcess.InitializeConsole leaving [2020-10-03 12:32:13.277] [0001] ExeSessionProcess.InitializeChild entering [2020-10-03 12:32:13.277] [0001] Starting "C:\Users\xxx\source\Workspaces\WLL\xxxProductName\ProductName\bin\x86\Debug\winscp.exe" /xmllog="C:\ccmsApps\WinScpXmlLog.log" /xmlgroups /xmllogrequired /nointeractiveinput /dotnet=5.17.7 /ini=nul /loglevel=1 /console /consoleinstance=_15440_65204782_813 [2020-10-03 12:32:13.468] [0001] ExeSessionProcess.InitializeChild leaving [2020-10-03 12:32:13.469] [0001] ExeSessionProcess.Start leaving [2020-10-03 12:32:13.469] [0001] Exception: System.ComponentModel.Win32Exception (0x80004005): Access is denied at System.Diagnostics.Process.StartWithCreateProcess(ProcessStartInfo startInfo) at System.Diagnostics.Process.Start() at WinSCP.ExeSessionProcess.InitializeChild() at WinSCP.ExeSessionProcess.Start() at WinSCP.Session.Open(SessionOptions sessionOptions) [2020-10-03 12:32:13.469] [0001] Session.Cleanup entering [2020-10-03 12:32:13.469] [0001] Terminating process [2020-10-03 12:32:13.469] [0001] Command: [exit] [2020-10-03 12:32:13.469] [0001] ExeSessionProcess.ExecuteCommand entering [2020-10-03 12:32:13.469] [0001] ExeSessionProcess.ExecuteCommand leaving [2020-10-03 12:32:13.470] [0001] ExeSessionProcess.Close entering [2020-10-03 12:32:13.470] [0001] Waiting for process to exit (2000 ms) [2020-10-03 12:32:13.470] [0001] ExeSessionProcess.Close leaving [2020-10-03 12:32:13.470] [0001] ExeSessionProcess.Dispose entering [2020-10-03 12:32:13.470] [0001] Closing job [2020-10-03 12:32:13.471] [0001] ExeSessionProcess.Dispose leaving [2020-10-03 12:32:13.472] [0001] Process cleanup Exception: System.InvalidOperationException: No process is associated with this object. at System.Diagnostics.Process.EnsureState(State state) at System.Diagnostics.Process.EnsureState(State state) at System.Diagnostics.Process.GetProcessHandle(Int32 access, Boolean throwIfExited) at System.Diagnostics.Process.WaitForExit(Int32 milliseconds) at WinSCP.ExeSessionProcess.Close() at WinSCP.Session.Cleanup() [2020-10-03 12:32:13.472] [0001] Disposing log readers [2020-10-03 12:32:13.472] [0001] Session.Cleanup leaving [2020-10-03 12:32:13.473] [0001] Session.Open leaving
Thank you
