Successfully tested the proposed update by manually downloading the DEB file from https://launchpad.net/ubuntu/hirsute/amd64/clamtk/6.03-1ubuntu1 and installing it in Ubuntu MATE Release 21.04 (Hirsute Hippo) 64-bit.
Successfully tested the proposed update by manually downloading the DEB file from https:/ /launchpad. net/ubuntu/ hirsute/ amd64/clamtk/ 6.03-1ubuntu1 and installing it in Ubuntu MATE Release 21.04 (Hirsute Hippo) 64-bit.