Edit C:\Windows\Microsoft.NET\Framework\v4.0.30319\Config\Browsers\opera.browser

Edit C:\Windows\Microsoft.NET\Framework\v4.0.30319\Config\Browsers\opera.browser

<browsers>
    
    <browser id="Opera" parentID="Default">
        <identification>
            <userAgent match="Opera[ /](?'version'(?'major'\d+)(\.(?'minor'\d+)?)(?'letters'\w*))" />
        </identification>

<capture>
            <userAgent match="Presto/(?'layoutVersion'\d+)" />
        </capture>

<capabilities>
            <capability name="browser"                         value="Opera" />
            <capability name="majorversion"                    value="${major}" />
            <capability name="minorversion"                    value="${minor}" />
            <capability name="type"                            value="Opera${major}" />
            <capability name="version"                         value="${version}" />
            <capability name="layoutEngine"                    value="Presto" />
            <capability name="layoutEngineVersion"             value="${layoutVersion}" />
            <capability name="ecmascriptversion"               value="3.0" />
            <capability name="javascript"                      value="true" />
            <capability name="javascriptversion"               value="1.5" />
            <capability name="letters"                         value="${letters}" />
            <capability name="w3cdomversion"                   value="1.0" />
            <capability name="tagwriter"                       value="System.Web.UI.HtmlTextWriter" />
            <capability name="cookies"                         value="true" />
            <capability name="frames"                          value="true" />
            <capability name="javaapplets"                     value="true" />
            <capability name="supportsAccesskeyAttribute"      value="true" />
            <capability name="supportsCallback"                value="true" />
            <capability name="supportsFileUpload"              value="true" />
            <capability name="supportsMultilineTextBoxDisplay" value="true" />
            <capability name="supportsXmlHttp"                 value="true" />
            <capability name="tables"                          value="true" />
            <capability name="inputType"                       value="keyboard" />
            <capability name="isColor"                         value="true" />
            <capability name="isMobileDevice"                  value="false" />
            <capability name="maximumRenderedPageSize"         value="300000" />
            <capability name="screenBitDepth"                  value="8" />
            <capability name="supportsBold"                    value="true" />
            <capability name="supportsCss"                     value="true" />
            <capability name="supportsDivNoWrap"               value="true" />
            <capability name="supportsFontName"                value="true" />
            <capability name="supportsFontSize"                value="true" />
            <capability name="supportsImageSubmit"             value="true" />
            <capability name="supportsItalic"                  value="true" />
        </capabilities>
    </browser>

<gateway id="OperaMini" parentID="Opera">
      <identification>
        <userAgent match="Opera Mini" />
      </identification>

<capabilities>
        <capability name="isMobileDevice"                  value="true" />
      </capabilities>
    </gateway>

<gateway id="OperaMobile" parentID="Opera">
    <identification>
      <userAgent match="Opera Mobi" />
    </identification>

<capabilities>
      <capability name="isMobileDevice"                  value="true" />
    </capabilities>
  </gateway>

<browser id="Opera8Plus" parentID="Opera">
        <identification>
            <capability name="majorversion" match="^[8-9]|\d{2,}$" />
        </identification>
        <capabilities>
            <capability name="supportsMaintainScrollPositionOnPostback" value="true" />
        </capabilities>
    </browser>

<browser id="Opera8to9" parentID="Opera8Plus">
    <identification>
      <capability name="majorversion" match="^[8-9]$" />
      <capability name="Version" nonMatch="^9.80$" />
    </identification>
    <capabilities>
    </capabilities>
  </browser>

<browser id="Opera10" parentID="Opera8Plus">
        <identification>
            <userAgent match="Opera/10\.|Version/10\." />
        </identification>
        <capabilities>
            <capability name="version"                         value="10.00" />
            <capability name="majorversion"                    value="10" />
            <capability name="minorversion"                    value="00" />
        </capabilities>
    </browser>
</browsers>

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