| Problem | Likely Fix | |---------|-------------| | Language dropdown is disabled | Your version is locked (e.g., educational/trial). Full license required. | | Changing .ini does nothing | File is overwritten at launch. Set file to after editing. | | English is missing entirely | Download English language pack separately. | | Interface becomes mixed (Russian + English) | Clear cache: delete cache.dat in Pro100 user folder. | | After change, menus are blank/fonts broken | Reinstall or repair Microsoft Visual C++ Redistributables. |
: Navigate to the folder where PRO100 is installed (usually in C:\Program Files\PRO100 PRO100.ini : Find the file named PRO100.ini and open it with a text editor like Change Language Code : Look for a line starting with . Change the value to the desired language code (e.g., Language=1 for Polish or Language=0 for English—codes may vary by version). Save and Launch : Save the file and restart PRO100 to see the new language. Method 3: Checking Library Localization Pro100 Change Language