Issue Plesk Backup List error (not a valid Win32 application)

[WinWen]

Server operating system version

Windows Server 2019

Plesk version and microupdate number

18.0.44

When I enter the Backup List section, I get this error.
Also I noticed that the backups have been stopped for days.

500 Exception​

Unable to execute proc_open: %1 is not a valid Win32 application. (Error code 193) at Unable to start ("C:\Program Files (x86)\Plesk\admin\bin64\pmmcli" --get-tasks-list)<br> at (RunTime::Execute::start line 704)<br> at Plesk impersonation(PipeServer::ServerThread::runAs line 715)<br> at (RunTime:ipeClient::readMessage line 117)<br> at Unable to call readMessage()(RunTime:ipeClient::readMessage line 122)<br> at (zif_plesk_proc_open line 1047)