Why cant i open attachments on forums with windows 7

[grafikworx]

why cant I open attachments while i'm in a forum and most links they post, a window opens up but it is always blank.

 

[ksiemb]

why cant I open attachments while i'm in a forum and most links they post, a window opens up but it is always blank.

Review the tools / options / settings in your browser, whatever it is.