"Opening connection failed!Parameter is not valid." error at VNC connection

Description

Step To Reproduce

  1. Try to connect to:

Actual Result
At first attempt to connect (right after application launch), it shows error message "Opening connection failed! Unable to write data to the transport connection: An established connection was aborted by the software in your host machine." http://prntscr.com/9etvec
At second attempt to connect, it shows error message "Opening connection failed! Parameter is not valid." http://prntscr.com/9etw5k

The target machine is a virtual machine created via KVM.

I am able to connect to the target machine with the same connection settings using TightVNC client

FYI: Old version 1.0 works fine with the same target machine.

Environment

mRemoteNG v1.72.5065.32737
Windows 7 Professional 64 bit
UAC is turned on
Windows Firewall is turned OFF
No Auti-virus programs
Local Administrator rights
Not domain account and not domain machine
Default mRemote Settings
No External Tools

Status

Assignee

Unassigned

Reporter

Nikolay Sidorenko

Labels

None

Components

Affects versions

Priority

Major
Configure