New installtion after uninstalling- same issues around key

[GeurtBloem]

My system Windows 10 on intel i7 system Here are the errors communicated by msys2 when I tried installing and updating : $ pacman -Syuu error: clangarm64: key "5F944B027F7FE2091985AA2EFA11531AA0AA7F57" is unknown :: Import PGP key 5F944B027F7FE2091985AA2EFA11531AA0AA7F57? [Y/n] Y error: key "5F944B027F7FE2091985AA2EFA11531AA0AA7F57" could not be looked up remotely error: mingw32: key "5F944B027F7FE2091985AA2EFA11531AA0AA7F57" is unknown :: Import PGP key 5F944B027F7FE2091985AA2EFA11531AA0AA7F57? [Y/n] Y error: key "5F944B027F7FE2091985AA2EFA11531AA0AA7F57" could not be looked up remotely error: mingw64: key "5F944B027F7FE2091985AA2EFA11531AA0AA7F57" is unknown :: Import PGP key 5F944B027F7FE2091985AA2EFA11531AA0AA7F57? [Y/n] Y error: key "5F944B027F7FE2091985AA2EFA11531AA0AA7F57" could not be looked up remotely error: ucrt64: key "5F944B027F7FE2091985AA2EFA11531AA0AA7F57" is unknown :: Import PGP key 5F944B027F7FE2091985AA2EFA11531AA0AA7F57? [Y/n] Y error: key "5F944B027F7FE2091985AA2EFA11531AA0AA7F57" could not be looked up remotely error: clang32: key "5F944B027F7FE2091985AA2EFA11531AA0AA7F57" is unknown :: Import PGP key 5F944B027F7FE2091985AA2EFA11531AA0AA7F57? [Y/n] Y error: key "5F944B027F7FE2091985AA2EFA11531AA0AA7F57" could not be looked up remotely error: clang64: key "5F944B027F7FE2091985AA2EFA11531AA0AA7F57" is unknown :: Import PGP key 5F944B027F7FE2091985AA2EFA11531AA0AA7F57? [Y/n] Y error: key "5F944B027F7FE2091985AA2EFA11531AA0AA7F57" could not be looked up remotely error: msys: key "5F944B027F7FE2091985AA2EFA11531AA0AA7F57" is unknown :: Import PGP key 5F944B027F7FE2091985AA2EFA11531AA0AA7F57? [Y/n] Y error: key "5F944B027F7FE2091985AA2EFA11531AA0AA7F57" could not be looked up remotely :: Synchronizing package databases... clangarm64 mingw32 mingw64 ucrt64 clang32 Please help or suggest action Thanks Geurt