JSI Tip 10418. You receive 'MMC cannot open the file C:\WINDOWS\system32\devmgmt.msc' when you open Device Manager or the Computer Management window?
Jerold Schulman
April 19, 2006
1 Min Read
When you attempt to open Device Manager, or the Computer Management window, you receive an error similar to:
MMC cannot open the file C:WINDOWSsystem32devmgmt.msc.
This behavior may occur if one or more library files used my the MMC are missing or corrupted:
Msxml.dll Msxml2.dll Msxml3.dll
I have scripted FixMMCDLL.BAT to resolve this behavior:
1. Open a CMD.EXE window.
2. Type FixMMCDLL.BAT and press Enter.
3. Shutdown and restart your computer.
FixMMCDLL.BAT contains:
@echo offCD /D %SystemRoot%System32del /q Msxml.dlldel /q Msxml2.dlldel /q Msxml3.dllcopy /Y %windir%system32DLLCACHEMsxml.dll *.*copy /Y %windir%system32DLLCACHEMsxml2.dll *.*copy /Y %windir%system32DLLCACHEMsxml3.dll *.*regsvr32 /s Msxml.dllregsvr32 /s Msxml2.dllregsvr32 /s Msxml3.dll
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