If you are trying to save over an existing file, the file itself might be locked. Right-click the specific .dwg file. Select .
The most common cause is AutoCAD 2013 not having sufficient elevated privileges to "write" (save) data to your hard drive. Make Sure You Can Write To Current Directory Autocad 2013
Delete as many files as possible in this folder (skip any currently in use). If you are trying to save over an
Move the slider down to (Note: This reduces system security, so perform this only as a last resort or for testing). Summary Checklist: Is AutoCAD running with Admin privileges? Does the folder have "Full Control" permissions? Is the .dwg file marked as Read-only? Is there enough disk space on the drive? The most common cause is AutoCAD 2013 not
In AutoCAD, type OPTIONS , go to the tab, and expand Temporary Drawing File Location to ensure it points to a valid, writable path. 6. Disable User Account Control (UAC)
For older software like AutoCAD 2013 running on newer Windows versions (10 or 11), UAC can be overly aggressive.