Project uploading from desktop doesn't work

Hello,

 

My problem is: I downloaded a SDL Trados 2017 trial a month ago with SDL Trados 2011 already on board. Gave it a try, the license expired, uninstalled. Then, when I wanted to open a project in 2011 (not yet on the Projects list) from the desktop (by double-clicking on it), Windows asked me to set the default program to open the file. It configured to SDL Studio 2011 properly. However, whenever I double-click a project file now it will open Studio, BUT without actually adding the project to the list.

 

It's a minor problem, but a major annoyance. Any suggestions, other than trying to reinstall the program?