For now, if you want the best crDroid experience—with reliable updates, no force closes, and maximum compatibility—

Do not use generic file hosts. Always get your recovery from the official source.

If your device uses boot as recovery, you will flash the crDroid image to boot for temporary use, then re-flash the crDroid ROM to overwrite it. Always read your device-specific XDA thread before proceeding.

fastboot reboot recovery

You can try searching for the crdroid recovery image on:

fastboot boot recovery.img