The error you are encountering with "nvlddmkm.sys" usually points to a problem with the Nvidia graphics driver. Here are a few steps you can try to address this issue: 1. Boot into Safe Mode: - Restart your computer and boot into Safe Mode. This will load Windows with only the necessary drivers and services. - If you can boot into Safe Mode successfully, proceed with the following steps. 2. Uninstall and Reinstall Graphics Drivers: - In Safe Mode, uninstall the Nvidia graphics drivers completely. - Restart your computer normally and download the latest compatible Nvidia drivers for your GPU from the Nvidia website. - Install the new drivers and restart your system. 3. Update Windows: - Ensure that your Windows 7...