Hi System requirements for Lr classic are below Lightroom Classic CC system requirements Sometimes permissions to the Adobe folders are also the cause of slow performance. Try Lightroom in hidden admin account To enable the Windows 10 administrator account do the following: Tap on the Windows-key. This should open the start menu or bring you to the Start Screen interface depending on how Windows 10 is configured on the system. Type cmd and wait for the results to be displayed. Right-click on the Command Prompt result (cmd.exe) and select “run as administrator” from the context menu. Alternatively, hold down the Shift-key and the Ctrl-key before you start cmd.exe. Run the command net user to display a list of all user accounts on the system. To activate the inactive administrator account, run the command net user administrator /active:yes If you want to enable the guest account as well run the command net user guest /active:yes The administrator account is active now which means that you can sign in to the system using it. It is not password protected by default which means that anyone with access to the system can use it to sign in to it. Restart your system with admin account in the left. Check Lightroom there If its working fine there it means that this is permissions issue. Regards Priyanka
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