Problem Description: The SDM software launches successfully with full interface display, but: Crashes immediately upon file selection Crashes when attempting to save data after SDM table creation Subsequent software launches fail consistently System Environment: OS: Windows (64-bit) Troubleshooting Performed: • System reboot & updates installed • Software reinstallation (official package) • Windows updates fully applied Request: Seeking technical resolution for this persistent crash issue.

Dear 悉妮 陈

I am sorry to hear that. Sometimes, the problem is that the sdm_table.txt file does not have the correct column names, which should include at least "study", "n1", and "t_thr". You might use a text editor to see the column names and replace them if appropriate.

Hope this helps,

Joaquim