You are not logged in.
[root@KRISHNA san2ban]# pacman -Syu
:: Synchronizing package databases...
core is up to date
extra is up to date
community is up to date
:: Starting full system upgrade...
resolving dependencies...
looking for inter-conflicts...
Targets (4): flashplugin-11.2.202.228-1 gnupg-2.0.19-1 imagemagick-6.7.6.2-1
qt-4.8.1-1
Total Installed Size: 129.89 MiB
Net Upgrade Size: 0.75 MiB
Proceed with installation? [Y/n] Y
(4/4) checking package integrity [######################] 100%
error: flashplugin: key "51E8B148A9999C34" is unknown
error: key "51E8B148A9999C34" could not be looked up remotely
error: failed to commit transaction (invalid or corrupted package)
Errors occurred, no packages were upgraded.Tried with different key serves, same result
Satyam eva jayate
Registered linux user #535257
Offline
There's a few more threads about this.
Short answer, it's a pacman issue. Use "pacman-key -r" to manually import the keys for now.
Burninate!
Offline