Wireless configuration Incorrect MFC Dll versions installed on the system message pops up at start up

Problem:
When you open Windows Explorer, the left hand Folders pane is disabled or gray or blank and the folder tree on left is not available.

Cause:
There may be an error in the registry. A required system file is missing or an incorrect version.

Solutions:
Close Windows Explorer.
Start the Registry Editor (click Start, Run, type regedit and click OK).

Expand HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main.
In the right-hand pane, locate the value named ExplorerBar. If present, delete it.
Restart Windows Explorer. If this does not resolve the issue,
The correct solution depends on the version of Internet Explorer that is installed on the computer.Internet Explorer 5.5 or lower
The preferred solution for computers with Internet Explorer 5.5 or lower is to upgrade to the latest version of Internet Explorer.
If this is not possible:
Open the folder C:\Windows\System. Check that the file browseui.dll is present. If it is not present, restore this file.
Internet Explorer 6
Open the folder C:\Windows\System. Check that the file shdocvw.dll is present. If it is not present, restore this file.
Open a command prompt.
Enter the command cd \Windows\System
Verify that the command prompt shows C:\Windows\System.

Enter the command regsvr32 /i shdocvw.dll.
Enter the command regsvr32 /i browseui.dll.

A message will appear confirming the successful registration of the files.

Now restart the sytem and confirm the problem is solved.