Antivirus blocks Windows desktop client DLLs
Windows Nextcloud desktop client fails with an invalid image error because antivirus software quarantines its DLL files.
Tier II · Emerging Problems that are still building up.
5 public reports · first reported 5 October 2026 · last reported 5 October 2026
What's going wrong
Windows users of the Nextcloud desktop client sometimes get an invalid image error when starting the app, and it will not launch.
AI-assisted: written with the help of AI from the reports. The idea report has the full summary.
In the idea report
- The full summary.
- The products the 5 reports are about, and how many came each month.
- Related problems.
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