http://vina.biz/btc 

What is error ?? by net framework or IIS ?

How do fix it ?

Thanks.

This is an iis error, you need to set the folder of the forum in your IIS Manager on the server as virtual application.

http://vina.biz/btcs 

Erorr HTTP Error 500.19 - Internal Server Error

Config Source:

174: <add extension=".ico" policy="CacheUntilChange" varyByHeaders="User-Agent" location="Client" />

175: <add extension=".axd" kernelCachePolicy="CacheUntilChange" varyByHeaders="User-Agent" location="Client" />

176: </profiles>

Is this error from host web or from webconfig ?

Line 106: </roleManager>

Line 107:

Line 108: <profile enabled="true" defaultProvider="YafProfileProvider" inherits="YAF.Utils.YafUserProfile">

Line 109: <providers>

Line 110: <clear />

How do fix it ??

http://vina.biz/btc/install/default.aspx 

Did you extract all dlls from the installation zip Archive to the bin folder of your application?

Thank you, My forum is working, I had add bin folder and it's run .