Can not open pdf files

[Lapeedos]

Hello,
I need advice re: solution. I can not open pdf files on my laptop. I ve adobe 9 already installed. I tried to upgrade to adobe 10 but will not install

 

[WR2]

Try uninstalling Adobe Reader 9.
Also make sure any Adobe web browser plugin is uninstalled as well.
Reboot and try a new install with Adobe Reader X