The 0.07-ext patch is generally only compatible with 0.07beta or supporter builds; it will not work with 0.07alpha or older versions.
The "ext" tag usually indicates additional scenes, dialogue, or story paths not present in the base version. AFamilyVenture-0.07-Bugfixed-ext_SubStar-pc.zip
Resolves stability issues and progress-blocking glitches found in the early 0.07 alpha and beta releases. AFamilyVenture-0.07-Bugfixed-ext_SubStar-pc.zip
It is highly recommended to back up your save files before applying this specific "Bugfixed" version to avoid data corruption during the transition between the base and extended content. A Family Venture Update v0.09 | PDF - Scribd AFamilyVenture-0.07-Bugfixed-ext_SubStar-pc.zip