Lesson 17: Application and Software Troubleshooting
Week of Tue, Jan 5 · lesson closes Mon, Jan 11
Take Meerk's quiz for Lesson 17
This lesson's items
Exact due times are in Canvas.
Watch — Professor Messer
Watch — Professor Messer: Application Troubleshooting (220-1202)
Free, independent educational resource. Not affiliated with or endorsed by CompTIA. Watch, then read the notes below.
Know these cold
- Common errors: missing DLL (reinstall app or runtime), access denied (run as admin or fix permissions), compatibility mode (right-click Properties → Compatibility).
- Tools: Event Viewer Application log (crash details), Task Manager (kill hung process), sfc /scannow (system files), DISM (repair component store).
- Windows updates: WSUS for enterprise patch management; update failures → check Windows Update logs in Event Viewer.
Meerk's quiz — open the Lesson 17 gate
10 questions, no time limit. 85% on your first attempt in a 24-hour window opens the gate. Retakes inside the window are practice — they help you learn, they don't count. Work alone; the point is to know it, not to have seen it.
Dinner Table Question
Ask at home: Why does reinstalling an application sometimes fix a problem when the files seem fine?
En español: ¿Por qué reinstalar una aplicación a veces soluciona un problema cuando los archivos parecen estar bien?