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Google Chrome Portable New Launcher Test 2

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John T. Haller
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Google Chrome Portable New Launcher Test 2

I'm testing a new PA.c Launcher build of Google Chrome Portable to test out how well it handles switching over. This build installs to its own directory and won't be updated to the official release later, so it's just for testing.

It removes the no longer functional password handling, adds the fix for history not being saved mentioned in the other threads, separates extensions from the locally installed ones (including system level extensions when run as admin), has an improved default window state, and supports portablizing up to 10 profiles.

Download Google Chrome Portable New Launcher 146.0.7680.165
Download 732MB / Install 750MB
SHA256: c242eaf31b4816d6a2b58ecaeba19cef455c768685a6861fd33226b05363598a

Please give it a test and let me know how it works for you. Thanks

Release History:
2026-04-30: Updated to Chrome 147.0.7727.138
2026-03-28: Updated to Chrome 146.0.7680.165
2025-07-10: Test 2 adds 32-bit/64-bit dual architecture support. 32-bit will be optional once PA.c Installer support is added.
2025-07-04: Test 1 initial release

John T. Haller
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Test 2: 32-bit/64-bit dual architecture

I added support for dual architecture with test 2

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rbon
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A warning about Chrome on Windows 11

A warning about Chrome on Windows 11.

I have seen this post on Pureinfotech at May 6, 2026: https://pureinfotech.com/stop-chrome-gemini-nano-download-windows-11/
Stop Chrome from silently downloading Gemini Nano AI model on Windows 11

• Google Chrome automatically downloads the Gemini Nano model when AI features are enabled and used.
• The model is stored as a 4GB weights.bin file in the “OptGuideOnDeviceModel” folder under %LOCALAPPDATA%.
• Some users report that the download happens without a clear opt-in prompt and significantly increases disk usage.
• Deleting or renaming the file is temporary because Chrome automatically restores it.
• A Registry tweak change can fully prevent Chrome from downloading or restoring the local AI model.

On Reddit https://www.reddit.com/r/chrome/comments/1jslb22/optguideondevicemodel_f... there is the tweak:
How to apply a tweak on Windows Registry:

1. Run "Regedit.exe"
2. Navigate to "HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Google\Chrome" and create new keys if necessary.
3. Create a new DWORD (32-bit) value:
• Value name: GenAILocalFoundationalModelSettings
• Value data: 1
4. Relaunch Chrome.

screenshot:
(the screenshot it's very small)
https://preview.redd.it/optguideondevicemodel-folder-taking-up-3gb-have-...

John T. Haller
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Open Chrome settings

Open Chrome settings and select System from the left-hand menu options. Turn off the switch for On-Device AI

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lwc
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That option might not exist

It only exists for some, and might only exist later on.

John T. Haller
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Windows

It exists on every install of Chrome 148 on Windows 10/11 I've seen with the feature available. It's not on macOS or Linux yet.

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lwc
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But the feature might not be available

If the feature isn't available, there's no option and thus if tomorrow the feature arrives, you can't disable it in advance before it downloads the huge file and uses it without ever telling you.

  1. Screenshot of version
  2. Screenshot of missing option
John T. Haller
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Space Available?

How much space is available on your device? If there's not enough, the option won't be available. The option will show when there's enough space and you're using 148.x on Windows. It doesn't download until the first time a website requests it. Also worth noting that I don't think this is available on 32-bit.

I also don't think it shows up on Chrome Portable for some reason. Probably because the updater isn't a part of it.

If you'd like to have a wider discussion about this, please start a new thread. This has nothing to do with testing the new Google Chrome Portable launcher.

Sometimes, the impossible can become possible, if you're awesome!

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