Change language of error messages in ASP.NET
In web.config add: <system.web> <globalization uiCulture=”en-US” /> </system.web> or whatever language you prefer (note: uiCulture=”en-US” not culture=”en-US”). Also you should check that your app is not changing the uiCulture, for example to a user-specific uiCulture in global.asax. If the error occurs before or during processing the web.config file, this will of course make no difference. … Read more