Unable Login Facebook

Specific symptoms:
While trying login, there’s a page with red https showed less than 0.5 seconds.
It usually asks if user want to continue with the unsafe https, but it didn’t. Returns to login page.

Specific steps: none

Comodo Dragon Version: (Stable)

Windows Vista home basic (32-bit)

UAC diabled

Windows is installed in C:\

Comodo Dragon is installed as default

User privileges: administrator


Just tried on my computer it worls fine here.