| Error Message | Cause | Solution | | :--- | :--- | :--- | | "No drives found" | Missing RAID/Storage driver | Rebuild ISO using WinPE mode with the specific driver injected. | | "Failed to mount backup" | Corrupted ISO or USB | Re-run Media Builder and use a different USB stick. | | "License expired" | Bootable media tied to expired license | Renew your Acronis subscription and rebuild the ISO. | | "Secure Boot violation" | UEFI firmware conflict | Disable Secure Boot in BIOS temporarily, or rebuild with WinPE + Secure Boot support. |
Sophisticated ransomware locks your desktop and encrypts your files while Windows is running. If you boot into Windows to run a backup, the ransomware may corrupt the backup. By booting from the Acronis ISO, the ransomware remains dormant (unloaded), and you can safely restore your system to a pre-infection state. acronis cyber protect home office bootable iso download