1. To remove insects from
2. To remove a concealed microphone or wiretapping device from

To detect, locate, and correct logical or syntactical errors in a program or malfunctions in hardware. In hardware contexts, the term troubleshoot is the term more often used, especially when the problem is a major one. See also bug, debugger.
To locate and correct errors in a computer program code.
The process of removing from a newly designed or manufactured system the components or design issues that have caused the system to not perform as desired. (Removing mistakes from the software or hardware of a computer system.)