How to solve the problem that the 1406 error prompts that the value can’t be written into the primary key when installing autocad?
When installing autocad, there is a 1406 error, and the value can’t be written into the primary key
How to solve this problem?
Step 1: start—run, enter regedit and press Enter to open REGEDIT.
Step 2: search for the HKEY_CURRENT_USER\Software\Classes file in the directory, press the right mouse button, select “previlige” in the drop-down menu.
Step 3: select which is the administrator among the group and user’ name.
Step 4: click “advanced”---edit---previlige at the bottom of the dialog box, tick all, and reinstall it.
3d cad software