guys.. i use irfanview
It supports all animated formats.
In addition: it's portable, free, light, fast, customizable, and most important.. you can use ESC
To switch from Windows Photo Viewer to irfanview for a specific format:
Control Panel\Programs\Default Programs\Set Associations
then highlight the extension and browse for irfanview.
If you don't mind installation: install and it will register the extensions automatically. Note
: (PAF makes this stealth
PortableApps.com has the old version posted here
If you want the latest version 4.32 as a PAF format, i've updated it here