It turns out that Synergy can also be responsible for one of these two error message variants. Updating or deactivating Synergy (if necessary) If this happens with a single document, click on Tools, go to Unprotect Document.
Click on Help, go to Activate the product. If this is the case for all documents, then either you have not activated the software or you have an expired evaluation version. This command is not available because the document is marked as final”. If you move the mouse over the Insert button on the Start tab, you will see this error message: “This command is currently disabled. You cannot insert it into the document either with this Microsoft Office error. If you receive a message at the bottom of Word 2007, Word 2010 or other Office suite products when you try to modify the document entitled “This Modification is Not Allowed Because the Selection is Locked”, this article should answer your “Why” question and tell you how to make your document editable again. Update: Stop getting error messages and slow down your system with our optimization tool.