I should have hit N. I hit Y.

Unverified image installers risk:

to delete existing partitions so the drive appears as "unallocated" before WinHIIP can format it. 48-bit LBA Support : For hard drives larger than 137GB, you must select the HDLoader 48-bit

The image file was created with a newer or older format version. Fix: Use the Image Conversion Tool included with v176 to upgrade/downgrade the HDL headers. Run HDLConvert.exe /upgrade source.hdl target_v176.hdl .