Troubleshooting and log file reference The most common messages that appear while installing McAfee ePO during an installation and their solutions are listed here. Use this information to troubleshoot problems with your installation. If you are unable to resolve an issue using the information in this section, contact Technical Support after you have taken these steps: Verify that you have met the minimum installation requirements. Review the release notes and click the link to the McAfee Knowledge Base article to see any known installation issues. Verify that the account you used to log on to the computer where you are installing the software has full administrator permissions to that computer. Collect the exact text of all messages and write down any message codes that appear. Gather the installation log files from C:\Program Data\McAfee\ePO.