# High CPU usage (and other issues) when folder tree locked

**URL:** https://resource.dopus.com/t/high-cpu-usage-and-other-issues-when-folder-tree-locked/39078
**Category:** Help & Support
**Tags:** bug-report
**Created:** [August 5, 2021, 6:06pm UTC](https://resource.dopus.com/t/high-cpu-usage-and-other-issues-when-folder-tree-locked/39078 "2021-08-05T18:06:09Z")
**Posts on this page:** 1
**Showing post:** 8

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### Author: ![Leo](https://resource.dopus.com/user_avatar/resource.dopus.com/leo/32/69732_2.png) [@Leo](https://resource.dopus.com/u/Leo)
#### Post date: [August 5, 2021, 6:37pm UTC](https://resource.dopus.com/t/high-cpu-usage-and-other-issues-when-folder-tree-locked/39078/8 "2021-08-05T18:37:32Z")

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> [@Heraes](#):
>
> During one of the previous steps, I used PROCESS EXPLORER, and found the DLL of DO that was involved :

Another thing to note: That just shows that the thread using the CPU was _started_ by Opus. Most threads in the process will be, of course.

You need to select that thread and click the **Stack** button to see which DLL is currently executing, which may indicate where the problem is. ([How to find components causing high CPU usage](https://resource.dopus.com/t/how-to-find-components-causing-high-cpu-usage/14144) has instructions.)

But the process snapshots will contain the same information, so we can do that investigation for you as well.

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_[View the full topic](https://resource.dopus.com/t/high-cpu-usage-and-other-issues-when-folder-tree-locked/39078)._