Unable to auto-update MEGAN (Windows 10)

It works by downloading the installer from the MEGAN website. However it’s not possible to initiate the update via the MEGAN software. Here’s the error message:

Version MEGAN Ultimate Edition (version 6.21.5, built 5 May 2021)
Author(s) Daniel H. Huson
Copyright © 2021 Daniel H. Huson. This program comes with ABSOLUTELY NO WARRANTY.
Java version: 14.0.1

License valid until: 2024-03-15
Opening startup files
Loading ncbi.map: 2,302,807
Loading ncbi.tre: 2,302,811
Executing: checkForUpdate;
SSLHandshakeException: PKIX path validation failed: java.security.cert.CertPathValidatorException: validity check failed
Info: Failed to check for updates: javax.net.ssl.SSLHandshakeException: PKIX path validation failed: java.security.cert.CertPathValidatorException: validity…

Thanks for the bug report, I will try to make sense of that…