cisco 1941w vpn license

[Ghislaine Guillemette]

Hello,  I want activate a vpn license on Cisco 1941W

I alredy try to download the license, but when a try to install it on the router, it tell me that license dont work

need help about the procedure

Thanks

PS: the license i download is 0 kb

[Saurav Lodh]

check the diff. license package supported on 1900

http://www.cisco.com/c/en/us/td/docs/routers/access/sw_activation/SA_on_ISR.html