Hi ronnieVron,
- Do you remember making any changes to the system recently?
Cmiv2.dll is a part of Windows and you won’t be able to delete this.
If it's appearing on startup or when closing Internet Explorer, then it could be related to any third party application services or startup item is causing this issue. You may try to performing a cleanboot and check.
A clean boot helps to verify ifany third party application services or startup item is causing this issue.
You may refer the following KB article to put the computer in clean boot:
http://support.microsoft.com/kb/929135
If your issue is resolved after performing Clean Boot, then follow the steps mentioned in the above KB article to narrow down the exact source.
Also, after resolving the issue, see the section on the clean boot link to how to return your computer to a Normal startup mode by following the steps under “Reset the computer to start as usual.
Hope this information is helpful.
Praseetha K
Microsoft Answers Support Engineer
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