https://community.quicken.com/discussion/7923420/after-r45-7-upgrade-securities-show-securities-comparison-mismatch-multiple-fis-edited#latest
Edit to add:
Within the linked discussion there is an answer from @Quicken Anja that mentions Quicken is aware of this issue and will be working on a fix. Here is a link to that answer:
https://community.quicken.com/discussion/comment/20313307/#Comment_20313307
sjnap1535 said: This solution worked for me.
mshiggins said: Within the linked discussion there is an answer from @Quicken Anja that mentions Quicken is aware of this issue and will be working on a fix. Here is a link to that answer:https://community.quicken.com/discussion/comment/20313307/#Comment_20313307