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Rider freezes UI very often when combined with NCrunch
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Remco
#42 Posted : Monday, November 17, 2025 9:43:42 AM(UTC)
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TimVisma;18464 wrote:
Unfortunately I still have the freeze problem.


Sorry, looks like I'm going to need another capture like the last one.
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TimVisma
#43 Posted : Monday, November 17, 2025 10:06:14 AM(UTC)
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Remco;18465 wrote:
TimVisma;18464 wrote:
Unfortunately I still have the freeze problem.


Sorry, looks like I'm going to need another capture like the last one.


I have send you the new log files in the contact form.
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Remco
#44 Posted : Tuesday, November 18, 2025 2:34:05 AM(UTC)
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TimVisma on 11/26/2025(UTC)
TimVisma
#45 Posted : Tuesday, November 18, 2025 9:22:46 AM(UTC)
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Der-Albert.com
#46 Posted : Wednesday, November 19, 2025 7:51:55 PM(UTC)
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I had my best Rider/NCrunch Week in ages with Rider 2025.3.01.... can't remember a freeze.

But this could be just luck. But had the don't find SDK problem.
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Remco on 11/19/2025(UTC)
TimVisma
#47 Posted : Wednesday, November 26, 2025 11:40:36 AM(UTC)
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I've been using the new version of NCrunch for a few days now, and I haven't really noticed any freezes anymore (at least not as often or as quickly ;). Every now and then, a complete freeze occurs throughout Windows, but that's most likely due to a Slack issue (https://www.reddit.com/r/Slack/comments/1o0ee8e/slack_desktop_for_windows_keeps_freezing_window/).

Thank you so much Remco for resolving the issue. What was the likely cause?

If I experience freezes again, I'll report them in this thread.
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Remco
#48 Posted : Wednesday, November 26, 2025 11:08:45 PM(UTC)
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Finally! I did have high hopes on that last fix.

We were starving the thread pool for the IDE. It wasn't obvious, but the background threads being used for transferring NCrunch data into editor windows were being allocated from the same pool as the threads used by the IDE for everything else, which apparently has a limit. This explains the erratic nature of the issue, and why the freezes were of variable length. When the IDE would try to allocate a thread for an important foreground task, it would sometimes need to wait until a thread became available. The problem would get worse when more editors were open in the IDE.

Interestingly it wouldn't take many threads for the pool to hit the limit. The IDE must run quite close to it during normal operation.
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