Force Quit Programs:

Windows: Use Ctrl + Shift + Esc to open Task Manager. Identify unresponsive programs and click "End Task." If Task Manager won't open, hold Ctrl + Alt + Del and choose Task Manager.

Mac: Press Command + Option + Esc to open Force Quit Applications. Select the frozen program and click "Force Quit."

Hard Restart: If programs won't respond, hold the power button for 10 seconds to force a shutdown. Wait 30 seconds before restarting.

Safe Mode:

Windows: During restart, press F8 repeatedly until Safe Mode options appear. Choose Safe Mode with Networking.

Mac: Hold Command + R during restart to enter Recovery Mode. Click Utilities > Startup Disk and choose your main drive.

Updates & Scans:

Updates: Install any pending software and driver updates, including graphics drivers. Outdated versions can cause crashes.

Scan for Malware: Run a comprehensive virus and malware scan to eliminate potential threats.

System Cleanup:

Clear Cache: Remove temporary files by clearing your browser cache and using disk cleanup tools.

Uninstall Unused Programs: Remove programs you don't use to free up resources.

If none of these work, consider hardware issues like overheating or faulty RAM. Consult a professional for further diagnosis and repair.