/usr/bin/cinnamon-launcher:FileNotFoundError:/usr/bin/cinnamon-launcher@53:execvp:_execvpe:_execvpe

The Ubuntu Error Tracker has been receiving reports about a problem regarding cinnamon. This problem was most recently seen with package version 3.6.0-1~artful0, the problem page at https://errors.ubuntu.com/problem/77c6d4e868bbc3c0502842cf4787362e5f8f8cfd contains more details, including versions of packages affected, stacktrace or traceback, and individual crash reports.
If you do not have access to the Ubuntu Error Tracker and are a software developer, you can request it at http://forms.canonical.com/reports/.