: Uninstall the current version. Before reinstalling, you can clear old registry settings at HKEY_CURRENT_USER\Software\ACD Systems to ensure no regional "residue" remains, though this should be done with caution. 4. Advanced Registry Fix (For Legacy Versions)
Sometimes, specific parts of the ACDSee interface (like keyboard shortcuts or folder names) appear in a different language even if the main UI is set to English.
Log into ACD Systems and download the specific language version. Language Packs - ACD Systems