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CCleaner 2.27 and later can wipe the MFT free space of a drive, or the entire drive. CCleaner can uninstall programs or modify the list of programs that execute on startup. [11] Since version 2.19, CCleaner can delete Windows System Restore points. CCleaner can also automatically update installed programs and computer drivers. [12] [13]
Piriform Software Ltd. is a British software company based in London, owned since 2017 by Avast which itself became part of Gen Digital in 2022. The company develops cleaning and optimisation tools for Microsoft Windows, macOS and Android operating systems, including CCleaner, CCleaner Browser, Defraggler, Recuva and Speccy.
Computers often have many diverse and customized device drivers running in their operating system (OS) kernel which often contain various bugs and vulnerabilities, making them a target for exploits. [17] Bring Your Own Vulnerable Driver (BYOVD) uses signed, old drivers that contain flaws that allow hackers to insert malicious code into the ...
Critical Update Notification Utility (initially Critical Update Notification Tool) is a background process that checks the Windows Update web site on a regular schedule for new updates that have been marked as "Critical". It was released shortly after Windows 98.
Since its January 13, 2005, [2] Microsoft releases the updated tool every second Tuesday of every month (commonly called "Patch Tuesday") through Windows Update, at which point it runs once automatically in the background and reports if malicious software is found. The tool is also available as a standalone download.