Users often find that the built-in Chrome update tool doesn't work for portable versions. The "standard procedure" to fix this is to download the newest installer from the portable provider and install it directly over the old folder to keep your profile intact. Connection Errors:

was released on December 4, 2018, delivering massive security overhauls and specific functional fixes to improve user experience.

This is huge. Chrome 71 uses . Modern Chrome (starting version 88+) is aggressively phasing out V2 in favor of V3, which severely limits ad blocker capabilities (uBlock Origin will be crippled). A portable Chrome 71 with a "fixed" auto-update blocker allows you to run uBlock Origin with full network-level filtering indefinitely.

: Packaged on legacy platforms like PortableApps.com for sandboxed, no-installation use.