MMC CAN NOT OPEN THE C:\WINDOWS\SYSTEM32\DFRG.MSC

[tdmabp]

MMC CAN NOT OPEN THE C:\WINDOWS\SYSTEM32\DFRG.MSC

 

[soundguruman]

You need to give all the details, please explain the entire problem, as fully as possible.

 

[tdmabp]

I get this message when I try to defrag the hard drive.

 

[aford10]

Browse to that location. Is it there?

You may have some registry corruption. Download ccleaner, and run the registry tool. You may need to run it several times to fix all the issues.
http://www.piriform.com/ccleaner

You could also use a 3rd party defrag software, such as defraggler.
http://www.piriform.com/defraggler