Protect recent files update with a try/except

printrun/pronterface.py

@@ -1576,6 +1576,7 @@ Printrun. If not, see <http://www.gnu.org/licenses/>."""
             path = os.path.split(name)[0]
             if path != self.settings.last_file_path:
                 self.set("last_file_path", path)
+            try:
                 abspath = os.path.abspath(name)
                 recent_files = json.loads(self.settings.recentfiles)
                 if abspath in recent_files:
@@ -1584,6 +1585,9 @@ Printrun. If not, see <http://www.gnu.org/licenses/>."""
                 if len(recent_files) > 5:
                     recent_files = recent_files[:5]
                 self.set("recentfiles", json.dumps(recent_files))
+            except:
+                self.logError(_("Could not update recent files list:") +
+                              "\n" + traceback.format_exc())
             if name.lower().endswith(".stl"):
                 self.skein(name)
             elif name.lower().endswith(".obj"):