Opencode was running very well after installing, however the next day it failed to launch #8541

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opened 2026-02-16 18:10:14 -05:00 by yindo · 2 comments
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Originally created by @xdzhang23 on GitHub (Feb 4, 2026).

Originally assigned to: @kommander on GitHub.

Question

I found the error messages from the log:

ERROR 2026-02-04T19:23:50 +0ms service=default Error: Failed to initialize OpenTUI render library: Failed to open library "C:\Users\xxx\AppData\Local\Temp.fb99b9dfff56ffed-00000001.dll": error code 4556

Have tried remove and reinstall but still couldn't fix. Any thoughts?

Originally created by @xdzhang23 on GitHub (Feb 4, 2026). Originally assigned to: @kommander on GitHub. ### Question I found the error messages from the log: ERROR 2026-02-04T19:23:50 +0ms service=default Error: Failed to initialize OpenTUI render library: Failed to open library "C:\Users\xxx\AppData\Local\Temp\.fb99b9dfff56ffed-00000001.dll": error code 4556 Have tried remove and reinstall but still couldn't fix. Any thoughts?
yindo added the windowsopentui labels 2026-02-16 18:10:14 -05:00
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@github-actions[bot] commented on GitHub (Feb 4, 2026):

This issue might be a duplicate of existing issues. Please check:

  • #5175: Similar temp file/library loading issues on Linux (/tmp does not allow execution)
  • #8620: OpenTUI initialization failures with permission issues
  • #4743: Feature request for /tmp folder access configuration which may be relevant

The error code 4556 suggests a DLL loading failure from a temporary path. This could be related to antivirus software, permission restrictions, or issues with how OpenTUI extracts and loads its native libraries.

Feel free to ignore if none of these address your specific case.

@github-actions[bot] commented on GitHub (Feb 4, 2026): This issue might be a duplicate of existing issues. Please check: - #5175: Similar temp file/library loading issues on Linux (/tmp does not allow execution) - #8620: OpenTUI initialization failures with permission issues - #4743: Feature request for /tmp folder access configuration which may be relevant The error code 4556 suggests a DLL loading failure from a temporary path. This could be related to antivirus software, permission restrictions, or issues with how OpenTUI extracts and loads its native libraries. Feel free to ignore if none of these address your specific case.
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@xdzhang23 commented on GitHub (Feb 4, 2026):

Thanks. Remove the package and reinstall version 1.1.25 can fix it.

@xdzhang23 commented on GitHub (Feb 4, 2026): Thanks. Remove the package and reinstall version 1.1.25 can fix it.
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Reference: anomalyco/opencode#8541