Firefox Portable

A long time ago, I moved PortableApps.com and FirefoxPortable to my D drive. I did this because I also had OBSPortable installed and I could not get OBSPortable pinned to the taskbar from the USB Drive. Once I moved FirefoxPortable and OBSPortable to the D Drive, both would pin no problem. But this week, I uninstalled OBSPortable. I'm just using FIrefoxPortable now. And I want to install OpenOfficePortable too. I'd like to move both of these to my USB Drive, but I'm running into a problem where FirefoxPortable won't pin to the Taskbar from the USB Drive. Any idea why?

Sorry, i speak Englisch only little.
Update from 94 to 95. Avast told Win32.Evo-Gen[Susp]

Windows x64, Firefox 78.15, copied on local system disk
I have quite strange situation: when I run Firefox from shortcut, it uses profile from ...\FirefoxPortableESR\Data\profile as expected, but when I press a link from email, it switches to %APPDATA%\Roaming\Mozilla\Firefox\profile which is definitely not what I want. Moreover, I see all that bunch of mozilla folders in %PROGRAMDATA%, %APPDATA%\Local, %APPDATA%\LocalLow and %APPDATA%\Roaming. So what's wrong with me/Mozilla/outer space etc.?

FireFox portable still writes data in %ProgramData%\Mozilla relating to the updater...

So I've noticed the firefox account keeps getting disconnected every few hours and I have no clue why. I use the account because of its password manager sync capability. Any ideas why this happens?

I have two laptops.

Acer Aspire 5, which is really old.

Acer Nitro, which is an entry level gaming laptop.

If you remember, many months ago, I was having some issues with Firefox Portable. I forgot what they were. But I did a clean install and started over and did everything right that time. So there shouldn't be any issues.

So anyway, I've been getting a lot of update alerts from the browsers on both computers and have been constantly launching PortableApps.com Platform to update the browser.

I happened across this in another forum.
https://ffprofile.com/

Maybe it'll be of some use to someone.

First post, newbie.
I have Firefox ESR 52 installed on my desktop (for old school reasons, eg Classic Theme Restorer), and would like to try latest Firefox Portable ESR. I would install it to the same 8 GB flashdrive that has my mail client: Thunderbird Portable Legacy 3.1 (great little program, clean functional interface, never any issues). There's over 7 GB of free space on this flashdrive.
Couple of concerns:
Any way to set Firefox Portable to be the default browser which launches when I click on a link in an email in Thunderbird Portable?

Like the title says. I only use Tabliss, Dark Reader and uBlock Origin. These never gave me problems until recently when I updated Firefox Portable to 92.0.1 or somesuch, and, updating to 93 after that didn't make the problem go away. If I close Firefox Portable and open again right away, the addons load normally. The issue could be related to Sandboxie-Plus, as it always occurs after I emptied the sandbox, but it also happens sometimes (sometimes frequently) if I run Firefox Portable unsandboxed.

With the AllowMultipleInstances=true in FirefoxPortable.ini (that's in my C:\FirefoxPortable folder along with the FirefoxPortable.exe file) when I try to open a 2nd instance it gives the same error popup dialog again that I also got a few months ago when I was still on a (slightly) earlier version of Firefox Portable, and that used to be fixed in an updated version until it came back as of 93.0.