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Im getting 404 error on my web application, I also try doloto : , but reports tell me is an compression issue, I dont think so cause is just one page with some ajaxcontroltoolkit features.

this is the stack :

ModuleName IIS Web Core 
Notification 16 
HttpStatus 404 
HttpReason Not Found 
HttpSubStatus 0 
ErrorCode 2147942402 
ErrorCode The system cannot find the file specified. (0x80070002)

You can check it on :

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up vote 0 down vote accepted

There's something wrong in your web.config, a path to a request handler is not right. Verify all of the path information is correct in the <httpHandlers> section of your web.config. Here's an MSDN article that discusses registering HTTP handlers.

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