[Desktop-packages] [Bug 1791542] Re: package libglvnd-dev 1.0.0-2ubuntu2.1 failed to upgrade: trying to overwrite '/usr/lib/x86_64-linux-gnu/libGLESv1_CM.so', which is also in package nvidia-340 340.1

Thanks, GU. Your instructions worked. I did not the following dpkg errors when installing the nvidia driver: Unpacking nvidia-340 (340.107-0ubuntu0.18.04.1) over (340.106-0ubuntu3) ... Setting up nvidia-340 (340.107-0ubuntu0.18.04.1) ... dpkg: error: version '-' has bad syntax: revision number i

[Desktop-packages] [Bug 1791542] Re: package libglvnd-dev 1.0.0-2ubuntu2.1 failed to upgrade: trying to overwrite '/usr/lib/x86_64-linux-gnu/libGLESv1_CM.so', which is also in package nvidia-340 340.1

I cannot get my apt system to work again. I tried adding the bionic- proposed repository as indicated in the link (above), but when I try the 'sudo apt --fix-broken install', it still wants to install the broken libgles1 and libglvnd-dev packages, which fail (as before). Please, could someone pro