You'd have to say what the problem is you're reporting. (Spanish is fine, but we'll need more information.)
If you're getting an error when starting up Zotero, can you provide a Debug ID for Zotero startup through getting the error using the "Restart with Logging Enabled…" option?
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If you're getting an error when starting up Zotero, can you provide a Debug ID for Zotero startup through getting the error using the "Restart with Logging Enabled…" option?