Your monitor isn’t broken. The warning is just Microsoft tightening security on legacy drivers. Use the generic driver and enjoy your LG Flatron E1641 worry-free.
Once you have the verified driver file, follow this clean installation process: lg flatron e1641 driver verified
Enter "E1641" into the search bar. You may need to select a more specific variant, such as the LG E1641S-PF , to find the exact manual and software. Your monitor isn’t broken
To ensure that you download and install the correct driver, follow these steps: such as the LG E1641S-PF