The answer is A
It can't be B because downloading programs from unknown sources can raise chance of a virus causing technical problems.
It can't be C because avoiding disk cleanup tools could cause the computer to become slow resulting in technical problems.
It can't be D because saving work has nothing to do with technical problems but it does have something to do with losing important information.
Answer:
Spyware
Explanation:
In most cases, a spywares are unwanted software enters into your computer or other devices and steal sensitive information, your internet usage data, and other information. Spyware is considered a malware type and a malicious one that is aimed at damaging a device or gaining control and access without the knowledge of the owner.
A computer can also be called a client or server depending on it's hardware and intended function.
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