Right-click the AutoCAD 2021 shortcut → . This bypasses permission issues that might block the DLL.
. Note that this will wipe custom toolbars and command aliases. Clean Reinstall problem loading acadresdll resource file autocad 2021
If found, select and add the AutoCAD installation folder to your antivirus Exclusion List . Step 4: Perform a Clean Reinstall Right-click the AutoCAD 2021 shortcut →