cdrom.sys missing / not found error: unavoidably pc may get infected by virus like trojandownloader:win32/adload.ae or controlled by malware like pop up blocker. after they are removed by antivirus such as symantec protection suite enterprise edition, the infected file cdrom.sys would be deleted as well so that missing problem is found.

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cdrom.sys missing / not found error: Unavoidably PC may get infected by virus like TrojanDownloader:Win32/Adload.AE or controlled by malware like POP UP BLOCKER. After they are removed by antivirus such as Symantec Protection Suite Enterprise Edition, the infected file cdrom.sys would be deleted as well so that missing problem is found.