Error because of Child Applications reading values from Root web.config

Error because of Child Applications reading values from Root web.config.


To prevent this add location tag with attribute inheritInChildApplications="false" to root web.config for the part which you do not want to inherit.

[...]
<location inheritInChildApplications="false">
 
  <system.web>
    
  [...]   
 
  system.web>
  
location>
[...]

If the error is caused by HttpHandler in root add validate="false" attribute  to the handler which is causing the problem.

<add verb= "GET " path= "CaptchaImage.axd " validate= "false " type= "MSCaptcha.CaptchaImageHandler, MSCaptcha "/>