Portable versions often crash when accessing system fonts, saving large files, or exporting video. The missing registry keys cause unpredictable behavior.
Here is where the story splits into two timelines: the one Alex hoped for, and the one that actually happened. Adobe Flash Cs6 Portable Download
Used by Studio Ghibli. It has a vector animation workflow similar to Flash. It is open-source, portable-ready (you can run it from a USB stick legally), and supports bitmap drawing. Portable versions often crash when accessing system fonts,
While websites might offer a "portable" download, these versions are almost never official or legal. Purchase Adobe Flash CS6 - possible? | Community saving large files