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: The file may have been moved or deleted manually or by another program. Malware Infection : Viruses can sometimes hijack or corrupt system DLLs. Registry Issues
If all else fails, perform an in-place upgrade (repair install). Commdlg.dll could not be installed windows 7
There are several reasons why Windows 7 might throw this specific error: : The file may have been moved or
| Cause | Solution | |-------|----------| | 16-bit app on 64-bit Win7 | Use OTVDM (Fix #3) | | Missing DLL after uninstalling another program | Restore from Recycle Bin or reinstall the app | | Registry corruption | Run sfc /scannow in admin CMD | | Malware disguised as commdlg.dll | Run a full antivirus scan | Commdlg.dll could not be installed windows 7
If the DLL is present but corrupted: