Musescore 2.0.2 not starting on Windows 10

• prosinec 29, 2015 - 12:05

Hi friends!

From one day to the other Musescore wasn't starting anymore. It shows up in the task manager, but that's it. I tried to reset to factory settings including the parameters -s and -w too. I tried all sorts of compatibility adjustments down to XP, No success :-(

Is there anything left I could try???

Now I'm using MS 1.3 again...

Thanks a lot!


Have you moved it off screen? Or were using 2 Screens, move it to the secondry and now are using only one?
Or have you been a victim of some Windows update that conficts with MuseScore, ISTR to have seen reports mentioning this.

I'm also running MuseScore 2.0.2 on Windows 10. See screenshot.

#1. If MuseScore shows up in the task manager, what do you see when you click on the carat next to MuseScore in the task manager - any open files, like MuseScore: My_First_Score?
#2. Do you see the MuseScore icon in the taskbar, and when you roll the mouse over the MuseScore icon, does it show any score thumbnails?



V odpovědi od Jm6stringer

Yes, it's there. I already tried this before. I see the repair dialogue, and when I try to start MS 2 after that, I get the same behaviour. Mouse arrow shows loading activity for around 20 seconds - no splash screen, musescore.exe shows up in the task manager under background processes. That's all...


V odpovědi od sedminek

Since repair doesn't work, have you tried to uninstall, and then re-install MuseScore?

Perhaps it is a permissions/UAC issue. You can also try:
1. Navigate to the MuseScore installation folder [Program Files (x86) -> MuseScore2 -> bin] and then right click on MuseScore.exe and select 'Run as administrator'.

2. Disable UAC (user account control) in Control Panel -> User Accounts -> Change User Account Control settings - then move the slider down.


Thanks a lot for all the advices, but unfortunately none of them worked! I still have a MuseScore 2.0.2 running on my Win 7 office PC. Hopefully this problem can be solved in the near future. I quite sure this had to do with a Windows update, as MuseScore was running for several months on my Win 10 PC without problems.


V odpovědi od sedminek

@sedminek: since the reset with "-F" apparently did nothing, if you feel "brave" enough, you could try to obtain a log from a debug build: you can find links to a debug build for Windows here:
or one with also a debugger here:
Maybe the debug log will give us more information on what is happening.


V odpovědi od sedminek

From the log file, the initialization freezes after loading the fonts, before showing the information for the screen.
In that region of the code -a- some Qprinter properties are set and then -b- we have a "qmlRegisterType" instruction (related to the plugin framework).
Regarding those two points:
a- Do you have a printer installed?
b- Can you try with the unsupported "noSSE2" version (in which the plugin framework is disabled)?
(found here: you need 7zip to extract the archive)

No, it's a Dell Inspiron AIO. MS 2.0.2 was already running on it, even after the upgrade to WIN10. It happened from one day to the other, that it didn't want to start. But it was running on WIN10 for at least 4 months without any issue!

V odpovědi od sedminek

Thank you for the log file.
The exact point where MuseScore hangs is here:
line 4809 of musescore.cpp
QSizeF psf = QPrinter().paperSize(QPrinter::Inch);
i.e. when the code is creating a QPrinter and retrieving the default page size.

I think you can try to change the default printer among those installed and see if this changes something. Or you can try to install another printer, maybe a dummy printer, and set it as the default one.


Thank you all very much! Finally it works again. All I did was changing the default printer. It was automatically set to Nitro PDF. When I set the Microsoft PDF Export as the default printer MuseScore 2.0.2 was starting like before.

So again thank you very much - I never thought it could actually be that easy to make it run again.


Dear all!

Thank you again for all your contribution to solve this problem for me!!! The software, that obviously caused the error, is Nitro Pro 10 (


V odpovědi od Jojo-Schmitz

A printer that can directly connect to the Internet (No need to be connected to a computer or laptop)
You define it as a cloud printer (for example in your google cloud printer account).
If you send a document to "Cloud printer service", it is printed by your printer. ( from your mobile phone, from another computer, from your tablet; at your work place, while in the car, at the cafe; etc.).

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