If there are problems with opening an MCS resource file with a policy editor, it may be because the underlying XML file has been made invalid for some reason. You can use the MCS Source editor to repair the file.
If there are problems with opening an MCS resource file with a policy editor, it may be because the underlying XML file has been made invalid for some reason. You can use the MCS Source editor to repair the file.
Select the resource you want to edit in the policy tree
Right-click and choose Open With | MCS Source Editor
Click any error icon in the margin to highlight the related error detail in the Task list
Fix the error, and close the editor
Open the resource file again by choosing Open With and selecting the appropriate policy editor