Hello hiosilver,
Resolving MSI Startup Errors:
This type of error generally happens because a software application has not finished installing correctly or because an application is trying to repair itself because a file is missing or a registry entry has been removed. TrayApp.msi is associated with your HP Photosmart Digital Imaging software.
To resolve this issue, insert the installation disc that came with the last HP printer, camera, or scanner that was installed into the top CD/DVD drive. If the disc is not available, download the installation software from the link below, use Add/Remove Programs, to remove the current version, and then install the latest version you downloaded from the Web.
http://goo.gl/yV1fD
🙂 If I have helped in any way, just click the Kudos star on the left. Also, if your issue has been resolved, don't forget to select Accept as Solution 🙂