LMMS / LMMS/lmms

LMMS usually freezes when opening specific folders via file dialogs.

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Dominant language
C++
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Description

LMMS **usually** freezes when I open a specific folder via file dialogs.
The freeze happened with all file dialogs in LMMS but didn't happen with any in FL Studio.

_An example where I open a folder normally then open the one that causes the freeze_:
![folder opening bug](https://user-images.githubusercontent.com/25503477/30005991-70be2b48-90f7-11e7-81ba-3f2a3007f698.gif)

The folder that caused the freeze contains 50 executable (.exe) and Windows Installer (.msi) files with a total file size of ≈ 1.75 GB. I think the reason behind the freeze is the big number of files or the big file size.

Contributor guide

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First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

No source file or test is named. Start by reproducing the freeze in LMMS's file dialogs with a folder containing many large .exe and .msi files, then trace the desktop file-dialog handling. Done means identifying the cause and verifying that opening the reported folder no longer freezes LMMS.

Written by the indexing model from the issue text.

Assessment

Tech stack
cpp
Domain
desktop
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

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