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220-1202 · domain

Software Troubleshooting

Software Troubleshooting (23% of Core 2) covers diagnosing Windows, mobile, and security-related failures: boot problems, blue screens, malware, profile corruption, and application crashes. Questions are scenario-based — a symptom is described, and you pick the best diagnostic step, tool, or fix, usually in Windows 10/11, macOS, Linux, or mobile OS contexts.

12 questions4 easy5 medium3 hard

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What this domain covers

What to know about Software Troubleshooting

Be able to diagnose a described symptom and choose the least destructive fix: Safe Mode, msconfig, Event Viewer, System Restore, or ProfileList registry repair. The single most important thing is identifying what changed recently before recommending a reinstall.

Using Safe Mode, msconfig, and Event Viewer to isolate boot and driver failures

Repairing corrupt user profiles via Registry ProfileList and User Profile Service

Removing malware with Windows Defender, MSConfig, and System Restore rollback

Resolving application crashes, BSODs, and slow startups from third-party utilities

Watch out for

Common Software Troubleshooting exam traps

  • ▸Choosing reinstall or reset before trying Safe Mode, System Restore, or disabling the suspect startup app.
  • ▸Confusing CRITICAL_PROCESS_DIED causes — blaming hardware when a newly installed utility is the trigger.
  • ▸Deleting a corrupt profile without backing up data or editing the ProfileList registry key first.

Question index

All Software Troubleshooting questions (12)

Click any question to see the full explanation, or start a practice session above.

1

A user's Windows 10 laptop has become increasingly slow over the past month. The hard drive activity light is constantly on, and the system often freezes for several seconds. A technician suspects the issue is related to a failing hard disk drive (HDD). Which two of the following should the technician perform to confirm the diagnosis? (Choose two.)

Medium
2

A user complains that their Windows 10 computer takes a very long time to start up and become responsive after logging in. They have not installed any new programs. Which of the following should a technician check FIRST to improve startup performance?

Easy
3

A technician is troubleshooting a Windows 10 workstation that repeatedly displays a message stating "The User Profile Service failed the logon. User profile cannot be loaded." The user can log in with a different account. Which of the following should the technician do to allow the user to log in with their original profile while preserving their data?

Hard
4

A technician is troubleshooting a Windows 10 workstation that repeatedly shows a message stating the operating system could not be found. The drive is detected in UEFI/BIOS, and the technician suspects the boot configuration is damaged. Which command should the technician run from the Windows Recovery Environment to rebuild the Boot Configuration Data store?

Easy
5

A user reports that their Windows 11 laptop occasionally shows a blue screen with the stop code CRITICAL_PROCESS_DIED. The issue occurs randomly, about once every two days. The user has not installed any new hardware or software recently. Which of the following should a technician perform FIRST to troubleshoot this issue?

Medium
6

A user complains that every time they open their web browser, the homepage has changed to an unfamiliar search site and new toolbars appear. They did not change these settings. Which of the following is the MOST likely cause?

Easy
7

A user's Windows 11 laptop has become extremely slow, and Task Manager shows constant 100% disk usage with very low actual read/write throughput. The drive is a SATA SSD, and the system is fully updated. A technician notices the drive is using the standard Microsoft AHCI driver. Which of the following is the MOST likely cause?

Hard
8

A user reports that their Android smartphone is running very slowly, the battery drains quickly, and they see frequent pop-up ads even when not using the browser. The user installed several apps from a third-party app store recently. Which of the following is the MOST likely cause of these symptoms?

Medium
9

A user reports that their Android smartphone is running very slowly and the battery drains quickly, even when the phone is idle. The user recently installed several new apps from a third-party app store. Which of the following should a technician do FIRST to troubleshoot the issue?

Easy
10

A technician is troubleshooting a Windows 10 workstation that is exhibiting symptoms of a malware infection. The technician has already disconnected the computer from the network. Which of the following should the technician do next to remediate the infection? (Choose two.)

Hard
11

A user reports that after installing a new third-party disk cleanup utility, Windows 11 randomly displays a blue screen with the stop code CRITICAL_PROCESS_DIED. The system boots normally in Safe Mode, and the issue does not occur there. Which of the following is the BEST first step to resolve the issue?

Medium
12

A user reports that after installing a new third-party backup utility, their Windows 11 computer takes several minutes to reach the desktop and shows a black screen with a spinning circle. The user wants to keep the backup utility but needs faster boot times. A technician opens Task Manager and notices the backup utility has a 'High' startup impact. Which of the following should the technician do FIRST to resolve the slow boot?

Medium

Frequently asked questions

What does the Software Troubleshooting domain cover on the 220-1202 exam?
Be able to diagnose a described symptom and choose the least destructive fix: Safe Mode, msconfig, Event Viewer, System Restore, or ProfileList registry repair. The single most important thing is identifying what changed recently before recommending a reinstall.
How many questions are in this domain?
This page lists all 12 Software Troubleshooting questions in the 220-1202 question bank. The actual exam draws from this domain proportionally to its weighting in the official exam blueprint.
What is the best way to practise this domain?
Start with a short focused session (10 questions) to identify gaps, then work through explanations. Repeat with a longer session once the weak areas feel solid.
Can I practise only Software Troubleshooting questions?
Yes — the session launcher on this page filters questions to this domain only. Choose any session length for inline explanations and scoring.
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