IIS comes with a default website as well as default error pages. In order to help developers and server administrators troubleshoot issues, these error pages may provide detailed information about the application and server. Therefore, some penetration testing tools may flag this situation as a vulnerability.
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DebugDiag error “System.Exception: AutoUpdate failed”
DebugDiag is one of the main tools to troubleshoot performance, memory, and crash related issues. While using this tool, you may run into a pop-up error saying “System.Exception: AutoUpdate failed“.
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Remove older files in MachineKeys folder
MachineKeys folder stores certificate keys that are used by IIS and Internet Explorer. Because of a permission or application code related issue, this folder may fill up with thousands of files in a short time.
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