This type of problem is caused due not correctly ended the installation, due not correct install_LINUX* package were available at Archive.
UIM any release
Linux any release
In order to fix the problem follow the next steps:
1- Download the lastest version of nimldr from http://support.nimsoft.com/Default.aspx?center=felles/archive
2- At IM Archive , download the latest version of install_LINUX_* packages
3- Remove old version of the robot
4- Check that does not remains files under robot install path (/opt/nimsoft/ )
If files remains, backup all custom files an then delete the nimsoft directory using command ( rm -rf /opt/nimsoft/ )
5- use the new nimldr to reinstall the robot.
6- Deploy the probes again