Signature bbcodes mess up all the time

[bashy]

Hi peeps

The bbcodes in the signature on my forum keep messing up, i.e. showing the code..
To repair this i have to keep emptying the Signature cache all the time, i mean
literally all the time, has anyone else known this and is there a resolution?

[Dismounted]

You should take this up with vBulletin Support.