220-1102 Operating Systems Practice Question
A user logs into Windows 10 but the Start menu and taskbar are not responding. What should the technician do first?
⚠ Common exam trap
The trap here is that candidates often jump to system-level repairs like sfc /scannow or system restore, overlooking the simple and effective step of restarting the shell process, which is a core Windows troubleshooting technique for GUI-related hangs.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Restart the File Explorer process via Task Manager
The Start menu and taskbar are part of the Windows Shell, which is managed by the File Explorer process (explorer.exe). When this process becomes unresponsive, restarting it via Task Manager (Option B) is the quickest and least disruptive first step, as it reloads the shell without affecting other running applications or requiring a full reboot.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Reinstall Windows
Why it's wrong here
Reinstalling Windows is an unnecessarily destructive step for a Start menu and taskbar that are not responding, as this symptom typically stems from a corrupted user profile or a malfunctioning shell extension, not a systemic OS failure. It is tempting because a clean installation guarantees the removal of all software conflicts, and it would be the correct first step if the system exhibited widespread boot failures or critical file corruption that prevented any recovery environment from loading.
- ✓
Restart the File Explorer process via Task Manager
Why this is correct
Open Task Manager with Ctrl+Shift+Esc, locate 'Windows Explorer' (or 'explorer.exe') under Processes, and click Restart (or End task, then choose File > Run new task and type explorer.exe). Since the Start menu, taskbar, and File Explorer windows are all rendered by the explorer.exe shell process, killing and restarting that process forces the shell to reload its configuration and rebuild the UI, clearing any hung or corrupted graphical state while leaving your logged-in applications and unsaved work untouched.
- ✗
Run sfc /scannow
Why it's wrong here
Running sfc /scannow in an elevated Command Prompt verifies the integrity of protected system files and replaces corrupted or missing ones with cached copies, but it does not terminate or reload any currently running processes. The Start menu and taskbar unresponsiveness in this scenario is almost always caused by a stalled explorer.exe thread or a corrupted user-profile component, neither of which is a system file that sfc would repair. Additionally, an sfc scan takes several minutes and may require a reboot, whereas the immediate fix is to restart the shell process; sfc is better reserved for after shell restarts fail and you suspect deeper system-file damage.
- ✗
Perform a system restore
Why it's wrong here
A system restore reverts Windows system files and registry settings to a previous point, but the Start menu and taskbar unresponsiveness is typically caused by a corrupted user profile or a hung shell process (explorer.exe), not by a system-wide configuration change that a restore point would reverse. It is tempting because system restore is a common troubleshooting step for software misconfiguration or driver issues after an update, where reverting to a prior state would resolve the problem.
Go deeper
Related to this question
Learn chapter
User Account Control (UAC)
Key term
Task Manager
Task Manager is a built-in Windows utility that shows running programs, processes, and system performance, allowing users to monitor and manage computer activity.
Key term
Shell
A shell is a computer program that provides a user interface to access an operating system's services, typically by accepting text commands.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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