Shared Dll entries in the registry correspond to any .Dll (Dynamic Link Library) file that can be used by more than one program. Windows treat shared files in a special way so that they can be used by more than one program. It keeps track of number of times the Dll is installed.
The full registry key for this section is
Multiple errors can occur related to shared dlls but very common one is that when last program using it removes the file (or replaces the version) but not the corresponding registry entry. Windows tries to load the Dll for the softwares and an error notice appear moreover it becomes a useless key and gluts the windows registry.
The above mentioned error needs very careful fixing because any mistake in cleaning this registry section can mean more errors, more programs not working, even PC crashing on certain occasions. Having said this you really need to select a best registry cleaner to remove shared dll errors. Wrong choice can cost you a lot.
Registry cleaner (tested especially for this particular error) RegInOut is the best choice to remove shared dll errors. Moreover it is not only good for this particular cleaning section but it has got a superb scanning engine which correctly detects many other registry errors like:
Activex Errors in registry
Application Path Errors in registry
File Association Errors
File/Path Entries and many more
It also provides many other great features ensuring PC free of registry errors resulting in a fast PC.
RegInOut is very easy to use and has an attractive interface.