FAQ

Frequently Asked Questions and Known Issues

Can I use OpenChrom to control my instruments?

Chances are good that OpenChrom will be able to read data files generated by your instrument, but OpenChrom does not have device control capabilities. It is a software for data analysis only.

Will OpenChrom be able to read my data?

Give it a try! We are improving data reading and adding support for new file formats constantly. Contact us if your files won't work with OpenChrom yet.

Which operating systems are supported?

• Windows
• macOS
• Linux

I cannot unzip the download, Windows reports File Path too Long, what can I do?

Try to extract to a more shallow directory or use another program for unzipping, for example, 7-Zip.

Why is the startup slow on Microsoft Windows?

Windows Defender significantly slows down OpenChrom startup. The problem has been reported to Microsoft already. Until it is addressed, add an exclusion to Windows Security to the OpenChrom root directory.

Converter download fails

If you see an error message like

Connection to https://converter.openchrom.net/p2.index failed on PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target.

and you are using a security solution that does SSL inspection either whitelist the domain converter.openchrom.net or if the root certificate of the firewall is located on the desktop machine then edit openchrom.ini adding

-Djavax.net.ssl.trustStoreType=WINDOWS-ROOT

after -vmargs and restart the application.