Please delete https://aur.archlinux.org/packages/multimon/ as it appears to have been orphaned and superseeded by another package, as noted in the comments. Cheers -- David Phillips GPG Key 0x7BF3D17D0884BF5B Fingerprint 2426 235A 7831 AA2F 56AF 4BC0 7BF3 D17D 0884 BF5B