How to solve the error code 0xC0000005: Application error in Windows Vista

There are several ways to solve the error code 0xC0000005: Application error in Windows Vista:

1. Update Windows Vista: Make sure that your Windows Vista is up-to-date with the latest updates and patches. To do this, go to Start > Control Panel > Windows Update and check for updates.
2. Run a virus scan: The error code 0xC0000005 can be caused by a virus or malware infection. Run a full virus scan using your antivirus software to detect and remove any infections.
3. Check your RAM: Faulty RAM can also cause the error code 0xC0000005. Use the Windows Memory Diagnostic tool to check your RAM for errors. To do this, go to Start > Control Panel > Administrative Tools > Memory Diagnostics Tool.
4. Disable DEP: Data Execution Prevention (DEP) is a security feature in Windows Vista that can cause the error code 0xC0000005. To disable DEP, go to Start > Control Panel > System > Advanced System Settings > Performance Settings > Data Execution Prevention and select "Turn on DEP for essential Windows programs and services only."
5. Reinstall the application: If the error code 0xC0000005 occurs when running a specific application, try reinstalling the application to fix any corrupted files or settings.
6. Perform a system restore: If none of the above solutions work, try performing a system restore to a previous point in time when the error code 0xC0000005 was not occurring. To do this, go to Start > Control Panel > System and Maintenance > Backup and Restore Center > Restore my computer to an earlier time.