How to fix the DRIVER_LEF (SOLVED)

• Error name: DRIVER_LEF
• Applies to: Windows 10, 11, 8, 7, Vista, XP

• DRIVER_LEF is appearing and starting to break a window of the active program;
• DRIVER_LEF appears on the screen;
• The message 'A problem has been detected, and Windows has been shut down to prevent damage to your computer. The problem seems to be caused by the following file...';
• The user's computer stops working, showing a DRIVER_LEF error while starting the program;
• Windows is functioning poorly, responding slowly to commands;
• The user's PC hangs frequently

DRIVER_LEF error messages can appear due to a clogged Windows registry and erroneous entries of non-existent programs because the user usually removes software incorrectly. Other common causes are incorrect data entry, missing files that were accidentally deleted from the registry, causing problems with the system.

1. 1. Download PC Repair.
2. 2. Install and run the program.
3. 3. Press Scan Now to detect errors and different deviations from the optimal level.
4. 4. Press Repair All to fix each problem.