Select the most appropriate pair of prepositions to fill in the blanks and complete the following sentence:-

We weren't aware ______ any problems until we started getting complaints from people who clearly weren't satisfied ______ the way their computers were working.

of, with

The correct answer is Option (2) → of, with

• Aware of: The adjective aware is idiomatically followed by the preposition of to indicate what someone knows or recognizes (e.g., "aware of the facts," "aware of the danger").

• Satisfied with: The adjective satisfied is idiomatically followed by the preposition with to indicate the object or subject of contentment (e.g., "satisfied with the results," "satisfied with the service").