operating system error 5 access is denied

Hi,
 
I think you are using user account in your system.And some servers can not support backup process while they are not installed perfectly.
 
you can generate scripts for required database then use that whereever you want.
In this case you are unable to maintain values in table but you can maintain table definition with keys also.B'coz you said you are using sql2005 .if it sql2008 we can maintain data also.
 
process for generating scripts for data base in
 
rightclick on database thn select task and then select Generate Scripts.
 
Thats all you can see sript file for creating tables in that database.
 

Try it
 
All the best