Which type of software saves information if there is a system error?

Uninstaller software is designed to remove applications from a system completely, including all associated files and settings. Its primary function is to cleanly uninstall programs rather than manage or protect data during system errors. Therefore, it does not provide any data-saving features in the event of a crash.

Data encryption focuses on securing information by converting it into a coded format that can only be accessed with a decryption key. While it protects data from unauthorized access, it does not address the issue of data preservation during system malfunctions. Consequently, encryption does not save information in the event of a system error.

Disk optimization software aims to improve computer performance by reorganizing data on storage drives for faster access and efficiency. Its primary purpose is to enhance system speed and reliability, rather than to safeguard information during crashes. Thus, it lacks the capability to save data during system errors.