Linux provides a full-featured OS without expensive licensing fees and allows all files to be stored locally, meeting the customer's requirements.

A potentially unwanted program (PUP) refers to software bundled with an installer that the user did not explicitly request and that's often advertised or installed without clear disclosure. While not always malicious, PUPs can degrade performance or introduce unwanted behavior, matching the description of undisclosed additional software in a package.

After malware removal is complete and scans confirm the infection is gone, a system that still does not function properly may have damaged operating system files or persistent configuration issues. Reimaging restores the device to a known-good state.

Avoiding personal interruptions ensures the technician gives full attention to the customer.
Actively listening and taking notes demonstrates respect and helps accurately address the customer's issues.

Enabling screensaver locks ensures that only authorized users can access the workstation after periods of inactivity.
Applying a BIOS password prevents unauthorized users from changing boot options or accessing the workstation at startup.