The uninstall shortcut says it has been changed or moved. Bitcoin core doesn't show up in programs list either so i can't uninstall from there. I'm running Windows 10.
You run portable version or setup version?
If setup, download last version
https://bitcoin.org/en/download, and install them
If portable, also download the link above, unzip and run
Your wallet will automatically appear in the program.
Before installation, check to see if your wallet is in the folder C: \ Users \
YOUR USER \ AppData \ Roaming \ Bitcoin