What is QuickBooks error 1625, and how to fix it?

We have some easy and simple solutions for you to implement. Go step by step and try to perform these steps on your desktop.
Go to the start menu. Write msconfig in the search field and press enter. When the UAC window prompt appears, tap on continue. Look for tools and select the UAC setting option. Then, click Launch. Finally, alter the UAC setting to Never Notify. Restart the system now. You can restart QuickBooks and then see whether the error 1625 is no longer present.
Head to the start tab and then to the control panel. Now open the admin tools and navigate to local security settings.
Choose the software restriction policies. Right-click the restriction policy if there isn’t one already.
Navigate to the new software restriction policy option. Double-tap on enforcement. Select all users except local admin and click ok. Restart your computer.
Check if the QuickBooks update error 1625has vanished. Please head to the third solution if you cannot eliminate error 1625 using the above two solutions.
Go to the start tab, and type the command in the search field.
Hold the Ctrl + Shift key, and then click on the enter tab.
Select yes when the permission dialogue box pops up.
You will see a black box with a blinking cursor on your screen.
Type regedit and tap enter.
Navigate to export in the file menu.
Type the name of the backup company file in the name box.
Head to export and select where you want to save the .reg file. Refer