Currency problem

Hy,

I want to show for all what is my problem with opencart and i dont know how to resolve it.

I remember on install opencart 1.5.5.1 ... and I could not change my default currency... so i had to modify GBP with my currency RON.

All most good ... and currency works..

Now with translate google... i found an eror... All my new entries products... will display with £ .

I dont know how to resolve it becouse i tried to many tricks but doent work.

Please help me I dont wanna to put all files from new opencart arhive 1.5.5.1 on my server becouse some files are modified and i dont remember all.

No one know to fix this problem?:(

I change now Euro default... and now on translate google all price display ok.

I dont understand why in Lei ( RON ) ... some produts have currency GBP!