If you've a restore point available, please do restore your PC to an earlier date. The Recovery option is available only if there is a restore point available. This will repair Windows 8.1 crashes.
1. Right click the Computer desktop icon.
2. Select Properties from the context menu.
3. Click Advanced system settings link.
4. Click the System Protection tab in the System Properties dialog.
5. Click System Restore button.
6. System Restore wizard will open.
7. Click the Next button.
8. In the Page # 2, check-up the box labeled Show more restore points.
9. Select a restore point, and then click the Next button. Follow the on-screen instructions.
Use the Zombie Soft Fix. Select the oeprating system in the welcome page, and then select the freuqency of the error. Go to the next step and follow the on-screen instructions.
Check if your computer memory problems are causing frequent crashes. Windows Memory Diagnostic tool might be helpful in this regard. You would have to check for memory problems, conduct several memory tests, and then if any problems are found there might be a need to replace your Random Access Memory (RAM).
1. Press Windows Key.
2. Type Memory in the Search Box.
3. Click the Settings icon.
4. Open Diagnose your computer's memory problems
5. Click Restart now and check for problems.
6. The computer will be automatically restarted, and several memory tests will be started. If required, purchase a new RAM, if any problems are detected with the existing.