Please make sure to allow full access to all Lexmark software/ printer communication processes in the programs rules/ permissions for your firewall.
You can also try to update your printer software by downloading the printer driver from the Lexmark website at http://bit.ly/oLDVDp
. Select your operating system > click on "FILTER" >
click on the driver under Recommended Downloads > download and execute the
file. Simply follow the instructions on your computer screen to complete the
After the re-install process is successful, try to open the Lexmark Solution Center again to verify that the problem is fixed.