[manjaro-general] /usr/share/application missing

[Omid]

Hi
I accidently moved a .desktop file to /usr/share/application with this command

mv vim.desktop /usr/share/application


Now i wanna update the system with pacman and i get "invalid or corrupted package (PGP signature)" error for each package after "checking package integrity"

I used commands in this page but my problem not solved

https://wiki.manjaro.org/index.php/Pacman_troubleshooting#Errors_about_Keys

Please help me to solve this problem

OS: Manjaro 17.0.6-EOL Gellivara
  Kernel: x86_64 Linux 4.9.47-1-rt37-MANJARO
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.manjaro.org/pipermail/manjaro-general/attachments/20171117/a8b10d1a/attachment.html>