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I am using a web AWS EC2 instance and in last 2 months I started getting this exception:

Error: System.Web.HttpCompileException (0x80004005): External component has thrown an exception

So I recycled the pool and this error appeared to be fixed, but a few days later it occurred again. Then I deleted the 2 Windows updates that cause this exception: 3098779, 3097997 and then I rebooted the instance. My .NET Framework version is 4.5.2.

This exception still occurs sometimes and I have no idea how can I fix it.

Could you advise me what to do for fixing it?

Thanks in advance.

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  • Do you know which external component throws the exception, and what exactly the exception is? Commented Jan 17, 2017 at 9:24
  • @LarsKristensen Everytime it throws from another component. I think it does not related to code. It related to windows updates/.NET framework version... Commented Jan 17, 2017 at 10:08
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    Yes, but can you see what the exception is? Try inspecting the InnerException property of the exception you see. Also, if you suspect the issue is not related to code/programming, then there may be a better chance of getting a useful answer on another QA-site, for example on ServerFault or SuperUser. Commented Jan 17, 2017 at 10:17

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Perhaps this might help

( A crash dump should be enough to tell what is the cause of the exception,

http://support.microsoft.com/kb/2580960)

Whole thread - https://forums.iis.net/t/1196792.aspx

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