Navigate to the folder where it resides (use Task Manager → right-click on the process → Open file location). Delete the file. If access is denied, use a tool like LockHunter or boot into Safe Mode.
You’ll typically see Extechinstaller.exe pop up when you insert the original CD (or run a downloaded setup) from Extech Instruments by FLIR. Extechinstaller.exe
Therefore, is typically a component of the driver package or management software for these scientific instruments. It functions as a setup utility or a background service that facilitates the communication between the Windows operating system and Extech hardware (often connected via USB or Bluetooth). Navigate to the folder where it resides (use