Help!!! Font issues (websites displaying random fonts)

[iamthesleepwalker]

All of a sudden certain websites have changed the font they use. Most notably is Wikipedia but my own website is doing it too - even tho the html code is set to display as helvetica; it's coming out as something entirely different as seen on the screenshot below

Have I accidently changed a setting somewhere?
Can anyone help?
Im running a Macbookpro

[iamthesleepwalker]

no one?

[hypo]

I'm using a PC...but I'd guess that maybe you changed your default font settings in Safari?

no one?

[standard]

Probably a problem with your Helvetica. Looks like Futura or something.

Did you uninstall Arial, maybe? I think wikipedia's just looking for a sanserif font.

[iamthesleepwalker]

I figured it out, some websites have started displaying Helvetica instead of Helvetica Neue...

Not sure how to change this but for my personal website I've switched to using Arial instead.