individual authorization to buy - how do I stop dangerous customers?

[100asa]

In customer info, in admin section, I see:
Customers Authorization Status-->with 4 options
with first option all work well, instead with the other options customer however browse and buy.
How can I solve to stop only certain customer to buy?
Thank's

[100asa]

SOLVE
in includes-->modules-->pages-->login-->header_php.php I've change with 1.3.8 file, and now work well!

[100asa]

NOT SOLVE
I've changed only this file, but now all customers are blocked!
What's files must changed to work well customers authorization?

[100asa]

It's simply: I would to have normal shopping, with price and navigation for all customers; instead I would to have pending authorization for only those customers to have level 2,3,4 in their account.
Now I've this setting on admin-->configuration:
my shop status=0
info customers: shop status=0
pending auth=0
if I change info customers or pendig to other value, no prices are visibile on shop.
Please, can I have help from you? Can i stop some dangerous customers?

[Ajeh]

I am not fully understanding what it is you want ...

You can have several setups:

1 customers come to the site and shop as a guest or when logged in
Customers can see the whole site with prices, whether or not they are logged in to the shop

2 customers come to the site and must login to shop:
A Can see the site with prices
B Can see the site without prices
C Cannot see anything until logged in

3 customers come to the site and must login to shop, and they need to be approved
A Customers can see the site with prices
B Customers can see the site without prices
C Cannot see anything until logged in
D Cannot see anything until approved

Can you give a bit more detail on exactly what it is you want?

Also, what version of Zen Cart are you running right now?

Clean install or an upgrade?

[100asa]

I'm running 1.5 version with some contribution, on apache server.
Now I've this settings:
configuration-->customer info: status shop=0
pending auth=0
so gust can see the site with price and when logged in can buy
Then, in customer sheet, however I setup "Customers Authorization Status", customer can browse and buy.
I hope I'm clear