UiPath Studio调试/运行时立即报错提示0x80004005“拒绝访问”的解决方案

转载注意:本文由思想瞭望者首发于博客园,转载请注明出处。

本文参考了:

  1. https://forum.uipath.com/t/access-denied-to-launch-an-application-when-running-uipath/220677/2
  2. https://forum.uipath.com/t/access-denied-1/236092/10

因此解决方案并非本人原创。本人仅作搬运工作。

 

现象

在UiPath Studio中Debug或者Run任意Workflow时(即使是新建的空的Workflow),无法启动并立即报错,提示类似以下消息:

20.4.2

拒绝访问。

RemoteException wrapping System.ComponentModel.Win32Exception: 拒绝访问。
at System.Diagnostics.ProcessManager.OpenProcess(Int32 processId, Int32 access, Boolean throwIfExited)
at System.Diagnostics.Process.GetProcessHandle(Int32 access, Boolean throwIfExited)
at System.Diagnostics.Process.OpenProcessHandle(Int32 access)
at System.Diagnostics.Process.set_EnableRaisingEvents(Boolean value)
at UiPath.Service.UserHost.AttendedServiceProxy.RegisterClientProcess(Int32 clientPid)
at UiPath.Service.UserHost.StudioOperations.<Prepare>d__3.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at UiPath.Service.Core.Utils.TaskUtils.<WithShortWait>d__0.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at UiPath.Service.UserHost.StudioOperations.<>c__DisplayClass5_0.<<RunJob>b__0>d.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at UiPath.CoreIpc.CancellationHelper`1.<Invoke>d__3`1.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at UiPath.CoreIpc.Server.<InvokeMethod>d__22.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at UiPath.CoreIpc.Server.<HandleRequest>d__21.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at UiPath.CoreIpc.Server.<>c__DisplayClass4_2.<<-ctor>b__6>d.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at UiPath.CoreIpc.IOHelpers.<WithResult>d__10.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at UiPath.CoreIpc.IOHelpers.<WithTimeout>d__16`1.MoveNext()

此时,在计算机管理的事件查看器中,应用程序日志可以看到这样一条错误(如下图)。

 本机同时装有的其它RPA工具上并未发生此现象。

 

原因

暂不明确。但可以确定问题出在UiPath本身,而不是系统环境。

 

解决方案

在任务管理器中,在“详细信息”页面,选中“UiPath.Service.UserHost.exe”,然后结束任务。即可正常运行。亲测有效。

 

欢迎加入UiPath精英群

 

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