If you are seeing an error when opening a file, the first thing to check is whether you are opening a supported file format.
The error may also be caused by a corrupt or invalid file. This is a file that has a supported file extension (such as .DXF) but the structure of the file may not be valid.
If you see an error relating to Scan2CAD being unable to open a buffer file; please check that you have the required privileges to run Scan2CAD. Windows users can right-click the Scan2CAD.exe and choose ‘Run as administrator’.
If you are unsure, feel free to contact Scan2CAD support. If possible, provide the file which causes the issue so we can quickly help.