additional log (parallels.log)

Xorg processes:
Loading Parallels ToolsGate driver: done
Loading Parallels Network driver: End of Xorg processes
Output of show_vm_cfg utility: opengl-support: 0
done
Loading Parallels Shared Folders driver: done
No OpenGL support in host; skip set up OpenGL libs in guest
Mounting Parallels Shared Folders: done
Loading Parallels Filesystem Freeze driver: done
Starting Parallels tools daemon: done
Error: failed to find out Xorg modules directory
08-11 10:48:25.568 F /prlshprint:900:900/ starting . . .
08-11 10:48:25.572 F /prlshprint:900:900/ CUPS not available. Will exit.
08-11 10:48:25.572 F /prlshprint:900:900/ closed, rc = 0
08-11 10:48:25     I SHAREDFOLDERS: Mounted shared folder 'Home'
08-11 10:48:25     I SHAREDFOLDERS: Mounted shared folder 'iCloud'
08-11 10:48:25     I SHAREDFOLDERS: Mounted shared folder 'Dropbox'
08-11 10:48:25     I SHAREDFOLDERS: Mounted shared folder 'MobileBackups'
08-11 10:48:25.713 F /PTIAgentCmd:917:917/ Found self exec: /usr/lib/parallels-tools/installer/iagent64/ptiagent-cmd
08-11 10:48:25.713 F /PTIAgentCmd:917:917/ Found parent exec: /lib/systemd/systemd
08-11 10:48:25.716 W PTIA_GUEST /PTIAgentCmd:917:917/ Tools state = 1 (oldNotation = 0)
08-11 10:48:25.717 W PTIA_GUEST /PTIAgentCmd:917:1178/ Start installation (silent = 0 local = 0 onlyDownload = 0)
08-11 10:48:26.080 W PTIA_GUEST /PTIAgentCmd:917:1178/ Download completed successfully
08-11 10:48:26.080 F PTIA_GUEST /PTIAgentCmd:917:1178/ Mount image with tools
08-11 10:48:26.096 W PTIA_GUEST /PTIAgentCmd:917:1178/ Unpack completed successfully
08-11 10:48:26.096 W PTIA_GUEST /PTIAgentCmd:917:1178/ Start Tools installation and wait for its completion.
08-11 10:48:26.096 W PTIA_GUEST /PTIAgentCmd:917:1178/ Start Tools installation and wait for its completion.
Umounting Shared Folders: 08-11 10:48:37     I SHAREDFOLDERS: Umounted shared folder '/media/psf/Home'
08-11 10:48:37     I SHAREDFOLDERS: Umounted shared folder '/media/psf/iCloud'
08-11 10:48:37     I SHAREDFOLDERS: Umounted shared folder '/media/psf/Dropbox'
08-11 10:48:37     I SHAREDFOLDERS: Umounted shared folder '/media/psf/MobileBackups'
done
Shutting down Parallels tools daemon: done