Probably a context menu handler messing things up.
Have you tried to reboot?
Have you installed anything recently?
Usually, the culprit can be found using shellexview.
Other thing worth to read: Shell extensions which are blocked by default
Probably a context menu handler messing things up.
Have you tried to reboot?
Have you installed anything recently?
Usually, the culprit can be found using shellexview.
Other thing worth to read: Shell extensions which are blocked by default