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Could not load file or assembly "System.Web.Extensions


Known Issues
Summary

After installing InstantKB.NET you may receive the following error message...

Parser Error Message: Could not load file or assembly 'System.Web.Extensions, Version=1.0.61025.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35' or one of its dependencies. The system cannot find the file specified.

Resolution

InstantKB.NET requires the Microsoft ASP.NET Ajax Extensions. This error message indicates theese required components are not installed. You can download the ASP.NET AJAX Extensions 1.0 directly from microsfot.com at the link below...

https://www.microsoft.com/downloads/details.aspx?FamilyID=ca9d90fa-e8c9-42e3-aa19-08e2c027f5d6&displaylang=en

Once installed InstantKB.NET 2.0 should function as expected.

Attachments


WebExtensionsException.gif 29.00 KB, 3K views

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jerry lagrou posted 6 Years Ago
<span style="font-size: 13px; background-color: #ffffff;">I had this same error. I fixed it by&nbsp;</span><span style="font-size: 13px; background-color: #ffffff;">Going to microsoft:</span><br />
<br />
<a href="http://www.microsoft.com/en-us/download/confirmation.aspx?id=883">http://www.microsoft.com/en-us/download/confirmation.aspx?id=883</a><br />
<br />
<span style="font-size: 10pt; background-color: #ffffff;">And installing the AJAX toolkit.<br />
</span>

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Details

Type: ERRMSG
Level: Novice
Rated 2 stars based on 18 votes.
Article has been viewed 34K times.
Last Modified: 11 Years Ago
Last Modified By: Ryan Healey

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