"Failed to create AppDomain"

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Hello,
When I click on execution of asp.net application, when loading of page on browser, I get following exception error message:
"Failed to create AppDomain"
despite search results via google on this following steps dealing with renaming of security.config or doing caspol -reset didn't work:
http://forums.asp.net/t/1304604.aspx[^]
http://mtaulty.com/CommunityServer/blogs/mike_taultys_blog/archive/2005/03/16/5345.aspx[^]
Is there any other idea how to fix this? I can't help this, I've googled enough.

Posted 13-Dec-10 19:57pm

niknishu

Updated 13-Dec-10 20:01pm

Toniyo Jackson

v2

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Member 8120835 · Answer 1 · 2011-07-28T19:21:00

Step 1 :
Delete the
1.security.config
2.security.config.cch

from the below link

C:\Documents and Settings\Admin\Application Data\Microsoft\CLR Security Config\v2.0.50727.42

here the "Admin" user may changes depends upon your user name

Step 2 :

Go to Microsoft Visual Studio Command Prompt

and type the

caspol -reset

Step 3 :

Close the Project Solution and Re-open.

It will works good.