System recovery unable to verify integrity

4.5

The recovery tool reports that the backup or image is "untrusted" or "corrupt".

Symptoms
  • "Hash mismatch"
  • "Signature invalid"
  • Verification error
Possible Causes
  • Bit rot
  • Interrupted download
  • Malware tampering

Step-by-Step Fix

1

Re-download Image

Get a fresh copy of the recovery ISO from the official source.

2

Check USB Drive

Ensure the USB drive isn't failing or fake (low capacity).

3

Disable Secure Boot

Sometimes Secure Boot blocks valid but older recovery images.

When to See a Technician

Integrity errors are a safety feature to prevent installing a compromised OS.

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