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how do I fix C:\windows\system32\newdev.dll - not a valid win 32 app?

The Laptop seems to be slowing down to a crawl eversince the newdev.dll window popped up.




1.     Do you receive the popup at the startup (after the computer started)?

2.     Have you made any changes to your computer prior to this issue?



Method 1:  Place the computer in clean boot and see if that helps.


How to troubleshoot a problem by performing a clean boot in Windows Vista or in Windows 7:


Note: After you have finished diagnosing, follow step 7 in the article to boot to normal startup.




Method 2: Run SFC Scan.



How to use the System File Checker tool to troubleshoot missing or corrupted system files on Windows Vista or on Windows 7:



You may also refer:

Optimize Windows 7 for better performance:


Note: Any data files that are infected may only be cleaned by deleting the file entirely, which means there is a potential for data loss.

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Question Info

Last updated June 1, 2020 Views 5,725 Applies to: