Adobe has never authorized a portable version of CS6. By downloading these repacks, you are circumventing the software's license management. When you launch the portable version, you are essentially running a cracked version of a $999 software suite. The Photoshop development team has explicitly stated that these "portable applications are illegally cracked and pirated versions of Photoshop".
If you need Photoshop CS6 specifically for legacy files or compatibility, Adobe may still offer official installers to legitimate license holders through their website. Adobe Photoshop CS6 Extended Portable
The "Extended" edition of Photoshop CS6 included all the standard image editing tools alongside advanced capabilities that were previously sold separately. 1. Mercury Graphics Engine Adobe has never authorized a portable version of CS6