It sounds like you have been affected by this problem:
https://community.quicken.com/discussion/7909601/r39-17-r39-21-paycheck-corruption-edited/p1
Once you have installed R39.23, which fixes this problem going forward, you need to restore a backup from before you installed R39.17. This would be about March 4. See this Announcement
https://community.quicken.com/discussion/7909593/windows-r39-xx-release-us
You will have to re-enter any transactions you entered since then.