title: PayPal - 10001 internal error: timeout processing request Express Checkout
body: <p>I have a problem with the Express Checkout. I tried all the solution provided in the web but I cannot make it work!
  I'm using VB 2012 for Web and ASP.NET. I built a cart in the web site and try to integrate PayPal Express Checkout (for now using the test account in Sandbox).
  When I click on the PayPal button it shows me the error:</p>
  
  <p>10001 Internal Error: Timeout processing request</p>
  
  <p>Debugging the application I found that the problem is when he try to make the call:</p>
  
  <pre><code>Try
      Using myWriter As New StreamWriter(objRequest.GetRequestStream())
            myWriter.Write(strPost)
      End Using
  Catch e As Exception
  End Try
  </code></pre>
  
  <p>Where strPost is the following:</p>
  
  <pre><code>METHOD=SetExpressCheckout&amp;RETURNURL=http%3a%2f%2flocalhost%3a63223%2fCheckout%2fCheckoutReview.aspx&amp;CANCELURL=http%3a%2f%2flocalhost%3a63223%2fCheckout%2fCheckoutCancel.aspx&amp;BRANDNAME=PayPal+Sample+Application&amp;PAYMENTREQUEST_0_AMT=36&amp;PAYMENTREQUEST_0_ITEMAMT=36&amp;PAYMENTREQUEST_0_PAYMENTACTION=Sale&amp;PAYMENTREQUEST_0_CURRENCYCODE=USD&amp;L_PAYMENTREQUEST_0+_NAME=Modena&amp;L_PAYMENTREQUEST_0_AMT=36&amp;L_PAYMENTREQUEST_0_QTY=1&amp;USER=minni_1356740302_biz_api1.gmail.com&amp;PWD=1356740320&amp;SIGNATURE=AlYEmGf5ECuFHhwJgGlXJ.tMCTY0AFMcAx3nUjv6Ssg4RlD7YYwyoOJb&amp;VERSION=88.0&amp;BUTTONSOURCE=PP-ECWizard
  </code></pre>
  
  <p>What could be wrong? </p>
  
  <p>I really need help..​Any and all help is appreciated.
  Thanks in advance!</p>