MuseScore Freezes When Opening A File

• Feb 22, 2015 - 06:48
Graphical (UI)
S4 - Minor

After I told MuseScore to open a file, the program froze and my mouse became completely unresponsive until the score finished opening.

To be more objective about it, I've attached a screen recording. At the 00:00:20.574 mark, I clicked the "Open" button. The score is displayed at the 00:00:22.624 mark. 2.05 seconds passed.

According to, 0.1 seconds is the limit for feeling like the computer is reacting instantaneously and exceeding 1.0 seconds will interrupt the "user's flow of thought".


- MuseScore nightly build (da1a230)
- Windows 7 SP1 x64 (English, United States)
- Solid state disk
- 8 GB RAM
- Intel Core 2 Duo P8700

Attachment Size
Screen Recording.7z 1.49 MB


I have similar issues - MS 2.0 (latest), icon on desktop - when I click-to-run the icon, program (MuseScore) freezes complete computer (UI, including mouse cursor, both direction-wise (moving the mouse cursor), and 'loading'-wise (rotating 'loading' cursor)), on average for a few seconds. After that, it works just normally.

Best regards,

S love nia

- MuseScore 2.0.0 (6e47f74; hey, where is 'Copy to clipboard' now? LOL)
- Win 7 Pro, 64 bit
- Dell Latitude e6320 laptop