I am unable to use the cd-rom on my computer, and I need to install missing system file in my windows xp, so I using the "Windows File Protection ", and that did not help,so this is the message I got in the Event Viewer:The system file c:\windows\system32\iisreset.exe could not be copied into the DLL cache. The specific error code is 0x000004c7 [The operation was canceled by the user]. This file is necessary to maintain system stability. Is there any other way I can fix the file, can anybody please help me?1 person needs an answerI do too

Hi litmishilda,· Did you make any software or hardware changes on your machine prior to this issue?· What error message you receive when you try to use the CD ROM?Let’s follow these methods and check if it helps.Method 1You may run the “Fix it” tool from this link.Your CD drive or DVD drive is missing or is not recognized by Windows or other programs If it doesn’t help, follow the section ‘Let me fix it myself’ from the above link. Method 2You may also try to remove and reinstall Internet Information Services (IIS) and check if the issue persists.How to remove and reinstall IIS 5.0, 5.1 and 6.0 Hope the information helps. Please post back and let us know.RegardsDebleena SMicrosoft Answers Support EngineerVisit our Microsoft Answers Feedback Forum and let us know what you think