Enhanced Mitigation Experience Toolkit 2.0
EMET strengthens security for applications without having to recompile them or waiting for the developer to release a new version. It adds several mitigations to the application of your choice, including SEHOP (Structured Error Handling Overwrite Protection), Dynamic Data Execution Prevention and mandatory ASLR (Advanced Space Layout Randomization).
Simply go to "Configure Apps" and select the ".exe" file you want to protect. Note: Though I haven't experienced any problems with the applications I tested, some of these security features might interfere with certain program features (think 3rd party plug-ins that need to access the .exe regularly).