I know this entry is old, but the original problem was Resolving timed out, or maybe this entry.
@thunder, in this forum (I searched for “resolving timed out”), found a solution:
There’s some hits in the archived forum too.
There is a wiki page, pacman troubleshooting, but unfortunately it doesn’t contain this issue.
@maminelahiala I can’t wait to hear what your final resolution turns out to be.