instal the last version for windows Altium Designer 23.8.1.32

Try this fix especially if Altium starts intermittently. You may find the NVIDIA desktop manager in the Desktop menu Right click on an open area on the desktop, then select 'Nvidia RTX desktop manager', then disable. Check the notification area (formerly known as the system tray) and exit if it's running. Some have found that Altium won't start if NVIDIA Control Panel is running. Once the nView Desktop Manager is disabled, the button will say Enable. Go to the Desktop Management tab and click the Disable button. The nView Desktop Management dialog appears.

Right-click and select nView Desktop Manager » nView Properties. (Disabling usually is enough): The Windows taskbar should have an entry for NVIDIA Settings - it will appear as an icon in the system tray (notification area), next to the clock. Are you running NVIDIA nView desktop manager or RTX Desktop Manager (formerly Quadro View) on your machine? We have determined it to be incompatible, and uninstalling it resolves this issue. (If it loads.) This will allow Altium to start up without loading the last document set. Press and hold the Ctrl key when you launch Altium and keep it held down until after the program is fully loaded. Solution Details Here's a list of things to try when this happens: Some of these also apply if Altium won't install. This article has a long list of things to try when Altium won't start.

Instal the last version for windows Altium Designer 23.8.1.32