How to Fix a Shockwave Keyhole Error

1. Click on 'Start' and right-click on 'Computer.'
2. Select 'Properties' and click on 'System protection' in the left-hand column.
3. Click on the 'Advanced' tab and select 'Settings' under the 'Performance' category.
4. Open the 'Data Execution Prevention' tab.
5. Click on the radio button next to 'Turn on DEP.'
6. Click on 'Apply' and reboot your machine.