Use 7-Zip (free) to extract the archive.
Not all uploads are equal. A poorly packed HDD set will result in a black screen or a crash back to the dashboard. Here is how to identify a high-quality archive:
Pro Tip: Look for archives that mention "No-Intro" or "Xemu Compatible" – these are better maintained.
Some Xbox games refuse to run from HDD due to proprietary streaming. HDD Ready packs often include “patched” default.xbe files. Here are the notorious titles you should source via Archive.org: