Unable to open StreamFab after fresh install

simchris

FYI - as general rule you should always turn off any security app when going to install stuff like this. We have similar issues with audio/video apps and kernel level tools. This is because some security apps will stop installers "writing" some code to some locations, which then breaks things. Doing full uninstall and removal of folders in your user folder related to the product is one good step, but before reinstall be sure to run windows repair tools like SFC /scannow -- and others from Microsoft to make sure environment is tuned up prior to attempting another broken installation. You can also try running the offline installer as admin to ensure some permissions are set very high. But you need to really turn off anything like Avast, McAfee, Bitdefender, etc. when installing stuff like this. Good luck! :)

lilyakka

Ok, so I removed SF clean again, with Revo and manually went through and checked everything was gone. I rebooted, I ran win updates, made sure I am up to date there. I updated all my drivers to make sure thats all good. I uninstalled Avast completely, rebooted again. I ran the offline installer for the latest SF 6.2.5.4 x64. Answered yes to any firewall prompts. I rebooted after the install. I shut off any background applications that were running. Fresh boot, SF opens to splash screen same as before, says "Accessing server information" but I never the the dots (...) progress and mouse icon turns into spinning wheel over the app, task manager shows it as not responding. I've run through SFC, I've run through DISM, I've checked .NET. I really don't know what else this could be?

simchris

Another tip, is change your DNS on your PC to Google and Cloudflare vs your ISP.

Also, why are you getting a firewall prompt? You should only get UAC (user access control) prompt, which is just the normal Windows check to make sure something is not installing without permission.

Double check your settings > apps >startup to see if you have some other "security" tool running.

Stan001

Ok, so I removed SF clean again, with Revo and manually went through and checked everything was gone. I rebooted, I ran win updates, made sure I am up to date there. I updated all my drivers to make sure thats all good. I uninstalled Avast completely, rebooted again. I ran the offline installer for the latest SF 6.2.5.4 x64. Answered yes to any firewall prompts. I rebooted after the install. I shut off any background applications that were running. Fresh boot, SF opens to splash screen same as before, says "Accessing server information" but I never the the dots (...) progress and mouse icon turns into spinning wheel over the app, task manager shows it as not responding. I've run through SFC, I've run through DISM, I've checked .NET. I really don't know what else this could be?

You covered a lot there. I was also going to say startup programs conflict, but it seems you took that into account also.
I don't want to say NO to anything, but it seems very unlikely it's a network issue, as if it were, you would see these pop-ups instead. (Plus the Win 10 VM worked)
For some reason, yours goes into not responding :/

october262

Ok, so I removed SF clean again, with Revo and manually went through and checked everything was gone. I rebooted, I ran win updates, made sure I am up to date there. I updated all my drivers to make sure thats all good. I uninstalled Avast completely, rebooted again. I ran the offline installer for the latest SF 6.2.5.4 x64. Answered yes to any firewall prompts. I rebooted after the install. I shut off any background applications that were running. Fresh boot, SF opens to splash screen same as before, says "Accessing server information" but I never the the dots (...) progress and mouse icon turns into spinning wheel over the app, task manager shows it as not responding. I've run through SFC, I've run through DISM, I've checked .NET. I really don't know what else this could be?
lilyakka

uninstall streamfab, and try installing the non x64 version of streamfab and see if that version will start. - https://forum.dvdfab.cn/forum/streamfab-support/streamfab/468001-new-streamfab-6-2-5-4-is-released-september-11-2025

lilyakka

I've tried various DNS through my PC and my router. No luck with that. Should I remove the authorization for this PC on my StreamFab account on the web page?

lilyakka

uninstall streamfab, and try installing the non x64 version of streamfab and see if that version will start. - https://forum.dvdfab.cn/forum/streamfab-support/streamfab/468001-new-streamfab-6-2-5-4-is-released-september-11-2025
october262

Tried 32 bit after full clean uninstall. It installed, but launching will not launch unless I do as admin. When launched as admin it opens splash screen then crashes with the SF crash reporter popping up.

Sebastian001

When you launched StreamFab for the first time after installation, did you have to authorize yourself? Or did it never happen?

Sebastian001

Was the folder under appdata>Roaming>DVDFab also removed?

That needs to go, too!

lilyakka

It has not prompted me to authorize except the first time I installed it years back, even after complete wipes of the files, registry and all. Per the StreamFab website I see my PC listed in the authorizations there under MAC address

lilyakka

Was the folder under appdata>Roaming>DVDFab also removed?

That needs to go, too!
Sebastian001

Yes, always

Stan001

It has not prompted me to authorize except the first time I installed it years back, even after complete wipes of the files, registry and all.

Maybe when it stops responding, you don't get the authorize option, as if you did delete the whole streamfab folder under appdata>Roaming>DVDFab, streamfab asks to authorize again, but uses no additional number of authorizations in Member Center, as it knows it's the same computer via the MAC address. Your authorize info for the computer's sake is in streamfab.ini, which is in the above folder. So you should be prompted to authorize, unless it doesn't get that far.

Anyway, sad to see even the non-x64 version doesn't work and gives such a vague error in the event viewer as the x64 version.

I guess to me, the cache and temp that are in the location %HOMEPATH%\Documents\DVDFab\StreamFab\ are more likely to cause crashes and are important to be removed; in fact, again I can only say what works for me, remove everything there, as that is what works for me if it crashes, but I never had it go into not responding that I can recall.

Again, hope it works out, and good luck, and if it does ever work, try to post a follow-up.

ADDED: I think by now knowing I had a working VM of Win 10 and SF, I would use it through the VM. Although I have never used SF on a VM, so not sure how well it would perform, but you said it did load and should work at least more than the one on your main computer.

october262

Yes, always
lilyakka

what was the last version of streamfab that worked on your computer ??

Stan001

what was the last version of streamfab that worked on your computer ??

Trying to resolve issues by doing a fresh install of StreamFab, now the application will not even open on my PC. I have done multiple fresh installs, but the last version of StreamFab that will open on my PC is 6.2.4.7.
lilyakka

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lilyakka

So interesting, trying things today, full uninstall clean, I reinstalled 6.2.4.7 got the usual authorize / login prompt. It opened up but trying to use any of the services, nothing would load in the browser. But if I switched my default browser in Windows from Chrome to Edge and restarted the application, now the services load (Amazon, Netflix, ect). Going one step further, trying to reinstall new version clean with Edge set as default browser still same results installs, opens to splash screen but locks up no prompt for auth (doesn't make it that far). So I guess I'm stuck with 6.2.4.7 with edge as default for the time being

Stan001

So interesting, trying things today, full uninstall clean, I reinstalled 6.2.4.7 got the usual authorize / login prompt. It opened up but trying to use any of the services, nothing would load in the browser. But if I switched my default browser in Windows from Chrome to Edge and restarted the application, now the services load (Amazon, Netflix, ect). Going one step further, trying to reinstall new version clean with Edge set as default browser still same results installs, opens to splash screen but locks up no prompt for auth (doesn't make it that far). So I guess I'm stuck with 6.2.4.7 with edge as default for the time being
lilyakka

Sad to hear that. Not sure how good 6247 works, by now.
It is weird because at most points it seems it's a computer issue, but then 6247 works.
And I still go back to you saying you tried a Win 10 VM and the latest SF version worked.
So, not sure if there is anything anyone can really do, as it's not an SF issue. Not even SF feedback could help.
There are still many things, and to go into them all would still even possibly miss something.
Can be something installed that doesn't like versions over 6247. It can be some crazy update on your system, to Windows or another program.
But with the Win 10 VM working, you pretty much eliminated its versions over 6247 and eliminated Win 10 because of the VM.
As well as others who still have Win 10 say the later versions work.
Plus, no one else has issues, although I think fewer and fewer have Windows 10; it's time for Windows 11. I think I just saw Win 10 has about 30 days left of support from Microsoft, at best.

Glad you at least gave an update on the situation, so those following this are aware of the progress.

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