Intermediate🪟 Windows
Fix AutoCAD Error 1730 After Windows Update
AutoCAD Error 1730 may occur after Windows updates silently reset file ownership and permissions, blocking the application from accessing critical system paths. This step-by-step guide explains how to restore administrator rights, fix permission conflicts, and resolve the issue permanently without reinstalling AutoCAD.
DifficultyIntermediate
PlatformWindows
Steps6
Step-by-Step Guide
01
Verify User Account Privileges
- Open Settings → Accounts → Your Info.
- Ensure the active Windows account is part of the Administrators group.
- If not, elevate the account and reboot.
02
Run AutoCAD as Administrator
- Right-click the AutoCAD shortcut.
- Choose Run as administrator.
- Confirm User Account Control (UAC) prompt.
03
Check Folder Permissions
- Navigate to the AutoCAD installation folder (e.g., ).
C:\Program Files\Autodesk\AutoCAD
- Right-click → Properties → Security.
- Ensure Administrators group has Full control.
04
Reset Windows File Ownership
- Open Command Prompt (Admin).
- Run:
takeown /f "C:\Program Files\Autodesk\AutoCAD" /r
icacls "C:\Program Files\Autodesk\AutoCAD" /grant Administrators:F /t
- Reboot after execution.
05
Check Registry Permissions (if needed)
- Run regedit as Admin.
- Navigate to key paths related to AutoCAD.
- Validate that Administrators have full access.
06
Reboot and Confirm
- Reboot Windows.
- Launch AutoCAD normally.
Frequently Asked Questions
When Microsoft’s updates reset folder or registry permissions, AutoCAD’s installation may no longer have the access it requires, triggering the error.
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