This prevents program-flow bugs which can be time-consuming to track down, such as where a terminating semicolon is introduced at the end of the construct (a common typo):

Screen material covers the opening to prevent curious animals and bugs from finding their way into your trailer.

Originally, Audition did not support window mode to prevent hacking tools and bugs that could crash the game.

In Thailand libraries called ho trai were built throughout the country, usually on stilts above a pond to prevent bugs from eating at the books.

To help address problems with parallel programming, Midori's programming model uses immutable data; immutable data can be shared without locks and so prevents lock-based bugs from ever occurring.

It also prevents other bugs that might otherwise only be found during testing.

Your eyes learn to see wrong things, as long as there is something to see, and this prevents bugs.

Houses did not have window screens, so homeowners covered their portraits and mirrors with cheesecloth to prevent bugs from spotting their surfaces.

By posting guards farther up, we can prevent stray bugs from locating it.

"How do you prevent bugs from getting in?"