I can see what you mean about the editing of the component. When I tried to save one to the database it no longer allows you to edit the value. It appears to me that the original components are being treated as virtual components and the save to database removes that. Unfortunately, I do not see a way around this situation. The only thing I can suggest is to take all of them and save them to the database with the corrected symbol. When you edit the symbol save the file within the Symbol Editor for later use and then when you need a capacitor that is not in your user databse then you can use the virutal ones to change the value, save it, edit the symbol, and load the previous saved symbol you have created. This method may save some time and a few headaches
I know this sound like a lot of work and probably is. I have been complaining about the virtual components and the way they are handled in Multisim for a while. They need to come up with a different method to where they are more user friendly so that we can edit them.
If anyone else has a better suggestion, please let this user know. It may also help others who may be having a simular problem.
I wish I could be of more assistance, but I think this may be something that is out of our control.