Win7 system can not save how to solve after modifying TXT text document

            The cause of the failure: because the software modified or accidentally clicked on the TXT read-only option, as long as the TXT text document is set to remove the read-only option, it can be used normally.
Steps to solve:
1, after the document is edited, we right click - attribute;
2, after opening the attribute, remove the "read only" attribute, and then determine;
3, this When we try to save again, we find that the TXT text text saved as saved is already in normal use, indicating that the read-only attribute is removed.