Question 511 of 988
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FC0-U71 Practice Question: An application is displaying an error message:…
An application is displaying an error message: "Cannot write to file. The file may be read-only or in use by another application." Which of the following is the LEAST likely cause?
⚠ Common exam trap
Watch out — candidates often assume a deleted file could cause a write error, but the specific wording 'read-only or in use' points to permission or locking issues, not a missing file, which would produce a distinct error message.
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
✓
The file has been deleted.
If the file has been deleted, the error message would typically be 'File not found' or 'The system cannot find the file specified,' not a write failure related to read-only status or another application's lock. The error specifically indicates a write conflict or permission issue, not a missing file. Therefore, a deleted file is the least likely cause among the options.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
The file has been deleted.
Why this is correct
A deleted file would result in a 'file not found' error, not the one given.
- ✗
The file system is full.
Why it's wrong here
A full disk would prevent writing and may show a similar error.
- ✗
The file is open in another program.
Why it's wrong here
This is a common cause of the error described.
- ✗
The user does not have write permissions.
Why it's wrong here
Lack of permissions would also trigger the error.
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Last reviewed: Jun 25, 2026
This FC0-U71 practice question is part of Courseiva's free CompTIA certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the FC0-U71 exam.
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