Executor start process failed, reason System.Runtime.InteropServices.COMException (0x80070309)

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Hello
At start of the process through Orchestrator from the very beginning I receive the following error

“Executor start process failed, reason System.Runtime.InteropServices.COMException (0x80070309): Unable to process version number. (Exception from HRESULT: 0x80070309)\r\n at UiPath.UiSystemClass.OpenInteractiveWindowsSession(String bstrUser, String bstrPassword, UiOpenSessionFlags nFlags, String bstrApplication, String bstrAppArguments, Int32 nDelayMs, Int32 userToken, UiGenericOptions options)\r\n at UiPath.Core.Setup.OpenInteractiveWindowsSession(String username, String password, OpenSessionFlags flags, String application, String arguments, Int32 userToken, Int32 preferredWidth, Int32 preferredHeight, Int32 preferredDepth)\r\n at UiPath.Service.Impl.Executor.StartProcessInSession(Guid executorInstanceId, String username, String password, SettingsDictionary execSettings, IntPtr userToken)\r\n at UiPath.Service.Impl.Executor.<>c__DisplayClass15_1.<<Start>b__0>d.MoveNext()”

In what there can be problems?
An hour ago everything worked perfectly
I use UiPath STudio 2018.1 and windows server 2008 R2, All the necessary packages for Windows Server 2008 R2 I have installed