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Jan 31 2026: APP 2.0.0-beta40 will soon be released with many fixes especially for Linux, upgraded development platform and 10-20% performance boost !

Jan 15 2026: FIXED LICENSE SERVER VPN Tunnel  issue

 The issue could have prevented APP to start when using a VPN tunnel or another complicated network configuration, like using APP on a remote computer on a different continent. This issue is fixed now and APP should start normally.

Jan 04 2026: Update on the 2.0.0 release & the full manual

We are getting close to the 2.0.0 stable release and the full manual. The manual will soon become available on the website and also in PDF format. Both versions will be identical and once released, will start to follow the APP release cycle and thus will stay up-to-date to the latest APP version. Unfortunately, Mabula was struck by a severe flu virus in the past couple of weeks and thus could not work.  He is getting much better now and he has resumed work to release 2.0.0 as soon as possible. Once 2.0.0 is released, the price for APP will increase. Owner's license holders will not need to pay an upgrade fee to use 2.0.0, neither do Renter's license holders.

Nov 28 2025:  APP 2.0.0-beta39 has been released !

It is a major update with a new and much improved registration engine and much better Multi-Narrowband processing !

problem starting program

25 Posts
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(@w2db)
Main Sequence Star
Joined: 3 years ago
Posts: 16
Topic starter  

Hi All- I haven'ty used this software for a few months. Went to open it tonight and it would not open. Windows 10 pro. Rebooted, then  uninstalled the software then re-installed beta 26, then beta 25. Was on beta 13 prior. The software opens a small windown showintg time and the step it is on. This hangs on:

setup  application window listeners

I checked windows event viewer and see nothing there. 

My other computer on windows 7 works fine. This did work last time I tried. 

Any idea what might be causing this? I tried stopping Microsoft Defender, made no difference.

George Csahanin

Crowley, TX



   
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(@mabula-admin)
Universe Admin
Joined: 9 years ago
Posts: 5056
 

Hi George @w2db,

I do not have a clue at the moment, maybe a new windows update is messing things up?

Is the problem still occuring, or is everything okay now?

Mabula



   
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(@w2db)
Main Sequence Star
Joined: 3 years ago
Posts: 16
Topic starter  

@mabula-admin 

I powered down completely, rebooted and it goes one step further, now it shows license verified but still the small window, just hangs. 

GeorgeC



   
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(@w2db)
Main Sequence Star
Joined: 3 years ago
Posts: 16
Topic starter  

Now went thru it with registry cleaner and same issue, will not get past this point.

pixl proc problem

 George Csahanin



   
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(@w2db)
Main Sequence Star
Joined: 3 years ago
Posts: 16
Topic starter  

I just found something interesting here. I un-installed the version 2 software and installed 1.083-beta4. It loads and runs tyhough have not tried to process anything. But any version 2 will not run. I had been using version 2 beta 13 before this all stopped working. So what is different between version 1 and 2? 

GeorgeC



   
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(@mabula-admin)
Universe Admin
Joined: 9 years ago
Posts: 5056
 

Hi George @w2db,

First of all, APP 2.0 runs on a much newer develop platform compared to 1.083. And many things were added and improved in all the 2.0 beta's.

This issue of yours does not happen on any of my windows computers and only seems to happen on a few systems. Do I understand correctly that 2.0.0-beta13 does work as well? And the versions after beta13 all won't start on your windows system?

Can you confirm that you do not have 1.083 and 2.0 installed at the same time? If you do, please remove both installations and then install the latest 2.0 beta to see if it works. The reason is that the windows registry is messed up if you install both 1.083 and 2.0 at the same time and weird things will definitely happen then I know for a fact.

Mabula



   
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(@w2db)
Main Sequence Star
Joined: 3 years ago
Posts: 16
Topic starter  

@mabula-admin Beta-13 WAS working and stopped working. I uninstalled/re-installed and did this fro several V2 but nothing version 2 will run. It did at one time. Then uninstall and try a version 1, the latest one, it does run. Very odd

GeorgeC



   
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(@mabula-admin)
Universe Admin
Joined: 9 years ago
Posts: 5056
 

Hi George @w2db,

Is the issue still there? How many CPU cores does your computer have? And do you have all the latest updates in windows 10 installed? On our windows computers this issue never happens with beta28.

Mabula



   
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(@w2db)
Main Sequence Star
Joined: 3 years ago
Posts: 16
Topic starter  

The problem still exists but my work around is to use an older version 1. This computer has 4cores and 16gb ram. Not the best but the curious part is that until a couple of months ago version 2 worked fine. Might try Siril but not wanting to learn new software. 



   
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(@mabula-admin)
Universe Admin
Joined: 9 years ago
Posts: 5056
 

Hi George @w2db,

Okay, so 4 cores is also 4 threads maybe? Or does APP report 8 threads ?

I will check if there is a problem with starting up if there are only 4 threads 😉

Mabula



   
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(@mabula-admin)
Universe Admin
Joined: 9 years ago
Posts: 5056
 

Dear George @w2db,

Can you please try 2.0.0-beta30-test1 ?

I think this one will work properly now 😉 I noticed that startup was difficult with little cores in a system so I have made some more changes.

The old versions did not have this issue, because we have improved startup time/behaviour recently. APP will start much faster now.

https://appreleaseserver.s3.eu-central-1.amazonaws.com/2.0.0-beta30-test1/AstroPixelProcessor-2.0.0-beta30-test1-Windows-64-bit.zip

Please let me know if this solves it for your computer, thanks.

Mabula



   
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(@w2db)
Main Sequence Star
Joined: 3 years ago
Posts: 16
Topic starter  

@mabula-admin :

I made a mistake in my last post. It is 2 cores 4 threads, Intel i5-650

I will try what you suggested in your more recent post but that may take a couple of days to get to it. 

Thanks

GeorgeC



   
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(@w2db)
Main Sequence Star
Joined: 3 years ago
Posts: 16
Topic starter  

@mabula-admin 

OK, I tried beta30-test1

I get further with this version but still not working properly

Program loads. I entered some fit files from itelescope. When I got to integrate the program asked me to register/authenticate again and unloaded the flat files I had entered. So  entered the license information again and once again loaded the flat files. But this time at integrate the program just exited. When I tried to re-start the program this is where it just hangs:

astro proc

I'll re-install version 1.083-beta4 which did work

GeorgeC



   
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(@adambrannon)
Hydrogen Atom
Joined: 2 years ago
Posts: 2
 

Same issue here. I get past the small startup window and then get a white, blank window where the app content should be. New install. It ran once. I added some fit files to stack. When I selected to process, the app crashed. Now will not start properly.



   
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(@adambrannon)
Hydrogen Atom
Joined: 2 years ago
Posts: 2
 

Same issue here. I get past the small startup window and then get a white, blank window where the app content should be. New install. It ran once. I added some fit files to stack. When I selected to process, the app crashed. Now will not start properly.



   
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(@ronroper1601)
Molecular Cloud
Joined: 4 years ago
Posts: 3
 

I am also having this startup issue. It's been a while since I used it but tried this morning on beta 13 and had the problem, so updated to beta 29 but same issue persists. I get the log window up but the main window does not show, but is visible as a thumbnail on the task bar. Note that I also seem to have a very similar issue with the the program ASTAP.EXE so may be there is a common issue.

Below are specs for my PC and Windows installation.

Device name HIDDEN
Processor 11th Gen Intel(R) Core(TM) i7-1165G7 @ 2.80GHz 2.80 GHz
Installed RAM 16.0 GB (15.8 GB usable)
Device ID D30EAB17-B73C-42CC-B0DA-0886570FA7AB
Product ID 00342-21958-50483-AAOEM
System type 64-bit operating system, x64-based processor
Pen and touch No pen or touch input is available for this display

Edition Windows 11 Home
Version 23H2
Installed on ‎19/‎11/‎2022
OS build 22631.3447
Experience Windows Feature Experience Pack 1000.22688.1000.0

Thanks

Ron



   
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(@jct)
Hydrogen Atom
Joined: 7 years ago
Posts: 1
 

I am having the exact same issue , log window is up, no main program window (thumbnail is blank).

 

Appreciate the help as this is my main processing software and would prefer not to have to switch after several years of using this...

 

Thanks,

JT



   
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(@duaneholloway)
Molecular Cloud
Joined: 6 years ago
Posts: 2
 

Hello. Similar problem here:

2 days ago, I was using APP w/o any problems. So when APP was open (along with other apps on my Win 11 PC), I had to do a hard reboot. My PC does that sometimes, but I've never had the following problem before.
So after rebooting, I tried to open APP. Only the log console popped open on my screen, but not the actual app. When I click on the icon on my panel bar a the bottom, it shows both screens in miniature, but the app screen is blank/white and will not open to my big screen. 
Since my renters license was expiring on 9/2/2024, I decided to uninstall APP, and buy a new renters license on 8/25/24, and see if fresh download would work. Nope, same problem.
Screen shot attached. 
What's wrong and how do I fix it?
thank you.
 
Update:
1 day ago.  Still an issue. I did successfully load APP on my laptop Win11 / AMD , but I still have the issue with my desktop PC / Win11/ Intel , where I do my main post processing. Please advise. I would really like a solution. Thanks for the support.
 
 


   
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(@blew8888)
Molecular Cloud
Joined: 3 years ago
Posts: 3
 

I've installed past betas in the past, the past couple of betas has been frustrating, now it no longer loads.  The splash screen no longer appears, icon appears in taskbar then disappears. I see the javaw.exe app running, but nothing happens.  I can spawn the app multiple times, there will be a bunch of javaw.exe running, the worse part, I cannot kill the apps.  I need to do a force reboot. 

 

Update: If I wait 5+ minutes, it will eventually launch.  Something is definitely hanging the software.

 


This post was modified 10 months ago by Bradley Lew

   
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(@mabula-admin)
Universe Admin
Joined: 9 years ago
Posts: 5056
 

Hi Bradley @blew8888,

That sounds really bad, is this happening with beta36 or older versions? Sometimes a slow APP startup can be caused by faulty graphical drivers, are those correctly installed and up-to-date?

I will soon release 2.0.0-beta37, the application startup has been changed and we have removed that splash screen even to make the startup more smooth and problem free, so please check our downloads section for the next release in the coming days and please let us know if beta37 solves your issues.

Mabula



   
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(@bruno3005bluemail-ch)
Hydrogen Atom
Joined: 3 years ago
Posts: 1
 

Hello
I have actually problems to start APP. I tried to upgrade from 2.0.0-beta29 to beta38 but the program does not start. I only see a script window and for the programm it self i white icon. I unistalled the programm and tried several erlier versions but it looks always the same. See attached a screenshot and a text file with my pc specs.

APP

 



   
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(@blew8888)
Molecular Cloud
Joined: 3 years ago
Posts: 3
 

Upgraded to the latest version today, now it doesn't even load, I see Java running in the task manager, 15-30 minutes later, nothing.  It used to load 15 minutes later.  I have tried uninstalling and reinstalling, could be a Windows update that prevents it from loading, but need to debug it somehow.  I haven't used this app for a while since this happened.



   
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(@mabula-admin)
Universe Admin
Joined: 9 years ago
Posts: 5056
 

Hi Bruno @bruno3005bluemail-ch and Bradley @blew8888,

We have no issues starting 2.0.0-beta38 on several windows 10 nor 11 systems. It starts fast, within 3-4 seconds most of the time.

Your problems can be caused by several things and they are all windows related unfortunately (these problems are not reported on macOS nor Linux):

  1. Graphical driver issue, APP uses OpenGL and needs a proper graphical driver for your graphical chip. Please ensure that you have the latest drivers installed from your graphical chip producer. If you are using a microsoft driver, please remove it, it likely is the problem.
  2. Installation of different APP versions at the same time that have messed up the windows registry perhaps, especially installing a 2.0.0 beta and an older 1.0xx version at the same time. Best solution, remove all APP versions from your computer  by using the Windows Control Panel, then double check if all installation folders are cleaned up, if not, clean them up manually. Remove APP icons in your start menu and from your desktop if any. Then cleanly install APP 2.0.0-beta38. We know that solved this issue on several computers as well.
  3. A securtiy software program is blocking APP from starting, so double check any such software on your computer. Cheap/free anti-virus/malware software is notorious for giving false positives and blocking software packages on Windows like this.

Please let me know if this helps.

Mabula

 


This post was modified 6 months ago by Mabula-Admin

   
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(@blew8888)
Molecular Cloud
Joined: 3 years ago
Posts: 3
 

@mabula-admin 

I have tried everything you have mentioned.  

1.  Updated to the latest nVidia drivers.

2. Uninstalled the app, used registery cleaners, also removed other apps even some windows updates. 

3. I only use Microsoft products, I don't have any 3rd party virus and malware software

With said, this was working perfectly before for v2.0.0.  I verified the latest version works on my notebook, which is very underpowered.  



   
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(@mabula-admin)
Universe Admin
Joined: 9 years ago
Posts: 5056
 

Hi Bradley @blew8888,

Okay, that is not nice to hear. Can you try the following for me:

DebugWindows Startup

This is a screenshot from the manual that will soon be released.

Please try to create the log.txt file and post the contents. Maybe it will explain why it is not starting.

Mabula



   
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