OK so i will try again to explain

the full url or request is

http://www.yonewmail.com?hellocarl

but the ?hellocarl part is diffrent each time i need to be able to set this field with a text box entry

webBrowser1.Navigate(http://www.yonewmail.com,+ textbox1.text"_self", null, "Mozilla/5.0 (");

can someone help me please

webBrowser1.Navigate("http://www.yonewmail.com?"+ textbox1.Text, ...

...looks like you were missing the quotes.

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