Question: when i log on there is an error message-RUNDLL,how can i fix this? 

Answer: There can be a various number of Rundll errors when you logon to your computer. \n\nI looked up the microsoft knowledge database at :\nhttp://search.support.microsoft.com/search/?adv=1\n\nAnd found out some links that could help you locate your exact error.\n\nSymptom 1 :\n\nWhen you start a computer that runs Microsoft Windows XP Professional or Windows XP Home Edition, you may receive the following error message:\n\nRUNDLL\nError loading irprops.cpl.\nThe specified module could not be found. \n\nSolution for your problem:\nhttp://support.microsoft.com/kb/834340/en-us\n\nSymptom 2:\n\nWhen you start your computer, you may receive one or more of the following error messages: \n\nRUNDLL32.EXE - Entry Point Not Found: The procedure entry point ThunkConnect32 could not be located in the dynamic link library KERNEL32.dll\n\nRUNDLL - Error in NvQTwk Missing entry:NvCplDaemon \n\n\nSolution for your problem:\nhttp://support.microsoft.com/kb/330159/en-us\n\n\n\nJust in case you are able to note down the exact message that comes with the error you can search it on the microsoft knowledge database and you can get a more precise solution for your problem .\n\nI hope this solves your problem.\n\nHave a nice day.\n\n:)
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