If Registry First Aid raises errors while scanning the registry then please try the following:
1. Run the program.
2. Open the Advanced Settings dialog, Appearance tab.
3. De-select the "Scan several registry keys simultaneously" option.
4. Test the registry scan.
This way, Registry First Aid will use less resources while scanning the registry.
If Registry First Aid raises errors while scanning files for corrections then also de-select the option "Scan several folders simultaneously".
This way, Registry First Aid will use less resources while scanning hard disks.
If the above step didn't solve the problem you can try to deselect the "Show Progress Bar" checkboxes.
Or if your help file supports scripts, you can do this right from here:
Disable threads in the registry scan routine. Click the button and answer "Yes" on prompt to add settings to the registry.
Now run the program and test it for errors.
If this doesn't help please disable threads in the disks scan routine:
Run the program and test it.
If the above step didn't solve the problem you can try to disable progress bar appearing while the registry scan is running:
If this doesn't help too, feel free to contact the support. Probably, we have a solution for you.