Hi,
Sorry for the late reply.
There are two options to resolve this:
- Attach an Ethernet cable, go to My OSMC → Updates → Manual Controls → Check for Updates now and install updates when prompted.
- Re-install OSMC using this image:
https://collab.osmc.tv/s/01Yg18JIY29VeM7
This should solve your issue.
Many thanks
Sam