Problem

Why do I need to register/activate my product each time I launch it. file is read-only RENAME FAILED for: C:\ProgramData\ViaCad Pro\VCPRegInfo.ini Permission denied

Solution

Typically this is related to improper permissions. To correct this please follow the steps below.

Win vista/7

1. From the start menu select computer.
2. Click the organize button in the upper left corner and select folder and search options.
3. Click on the view tab and in the bottom section check Show hidden files and folders.
4. Apply the changes and click ok to close the dialog box.
5. Open your C drive in the computer window.
6. Open program data, Punch!, and ViaCAD/shark folders
7. If there is a scratch folder, right click on it and delete it, then right click on the xxxReginfo.ini file  and select properties
8. Click the security tab, then the Edit button in the middle of the window.
9. Single left click on the user in the top section of the edit box, then check full control under in the allow column.
10. Click apply and ok and close all the windows.
11. Launch the program and enter all the information one more time. These changes should allow the registration information to be saved.

Win 8/10

1. Open file explorer by clicking the folder on your task bar
2. Click the View tab and check hidden items on the right.  
3. Open your C drive in the computer window.
4. Open program data, Punch!, and ViaCAD/Shark folders
5. If there is a scratch file, right click on it and delete it, then right click on the xxxReginfo and select properties
6. Click the security tab, then the Edit button in the middle of the window.
7. Single left click on the user in the top section of the edit box, then check full control under in the allow column.
8. Click apply and ok and close all the windows.
9. Launch the program and enter all the information one more time. These changes should allow the registration information to be saved.