AutoCAD 2013 creates temporary files ( .ac$ ) while you work. If the Temp directory is full or inaccessible, it may trigger write errors. Type %TEMP% into your Windows Search bar and press Enter.
Here is a comprehensive guide to resolving this issue and getting back to your drafting. 1. Run AutoCAD as Administrator Make Sure You Can Write To Current Directory Autocad 2013
Delete as many files as possible in this folder (skip any currently in use). AutoCAD 2013 creates temporary files (