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There was a hotfix released for EZChrom Elite 3.3.2 SP2 (UpdateEE3321050) that addresses this data corruption issue. Below is the issue description that was released with the hotfix:
"Issue #1 – This software update fixes an issue where you can get a checksum mismatch. When you open a data file with a checksum mismatch you can get a message indicating that the file has been tampered with. When this happens the data file cannot be opened and it requires you to send it back to the factory to be fixed. This is an intermittent issue that may or may not occur. It was discovered that the issue was being caused by multiple threads trying to write a checksum into the data file at the same time. A change was made to the code to correct this by protecting the write operation with a thread lock."
I recommend that you reach out to your local Agilent support and request this hotfix. Make sure that you have SP2 installed for 3.3.2, as that is a prerequisite for the hotfix.
Thanks for your prompt reply.
Unfortunately I have EZChrom Elite 3.3.2 SP1. I will get in touch with local Agilent support. Hopefully that have a Hotfix for this one.