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These directories include a backup of many system files which can be used to replace those which are corrupted or missing. Windows 10, 8, 7 and Vista – one of the subfolders within Windows\WinSxS Windows may have previously stored a backup of the file in one of the following locations: This command aims to replace only the missing rundll32 file. Sfc /scanfile=c:\windows\system32\rundll32.exe However, Windows 10, 8, 7 and Vista users (not XP) may run a single file SFC check if you wish – by using the /scanfile option to save time.
![rundll32 exe windows cannot open this file rundll32 exe windows cannot open this file](https://www.pcerror-fix.com/wp-content/uploads/2016/08/rundll-error-windows-10-restore-1.png)
![rundll32 exe windows cannot open this file rundll32 exe windows cannot open this file](https://windows-cdn.softpedia.com/screenshots/GigAlarm_1.png)
If you had a recent virus infection this is the best option as it checks all important Windows files so it can replace any others that are missing/corrupted, not just rundll32.exe Note: the article describes how to run a full SFC check using the /scannow option. See our article on how to repair Windows using SFC. System File Checker (SFC) is a utility in Windows that scans for and restores missing or corrupted Windows files. There are several ways to do this depending on your Windows version, and level of experience – the easiest is shown first: 1. The best fix is to replace the missing rundll32.exe file with a new version. In this case, the antivirus would have quarantined or deleted the file – good for removing the virus but bad for leaving you without this important system file… Then your antivirus software or malware cleaner tried, but failed, to ‘clean’ the infected file. In most cases, the reason for its disappearance is that the file became infected by malware (e.g. This is an important Windows system file – it should be located in the Windows\System32 folder. The actual text of the error message varies slightly by Windows version but they all point to the same error – the rundll32.exe file is missing (or corrupted). I saw this error recently on a customer’s computer and this is how to fix it. This rundll32 error message may appear at startup, or if you try to open certain items in Control Panel. It can affect any Windows computer, from Windows 10 all the way back to XP.
![rundll32 exe windows cannot open this file rundll32 exe windows cannot open this file](https://i.stack.imgur.com/UPxnf.png)
The “Windows cannot find C:\Windows\system32\rundll32.exe” error message is common after virus infections.
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