A critical regression (in replace in files feature) has been found in v7.4.1, a new version with fix will come out this weekend.
In the meantime please use Notepad++ v7.3.3. Sorry for the inconvenience.

Notepad++ v7.3.3 bug-fixes and enhancements:
1. Fix CIA Hacking Notepad++ issue
2. Fix mouse wheel to task list scroll crash bug.
3. Fix flickering issue while switching back after modifying or deleting a document from outside.
4. Support Motorola S-Record, Intel and Tektronix extended hex file formats.
5. Improve multi-line tab: maintaining the selected tab position.
6. Fix add char into word char list bug.
7. Add Shift+Enter in Find dialog for searching in the opposite direction.
8. Fix a regression that delimiter settings is not retained correctly.
9. Add clear command button in shortcut mapper.
10.Enhancement: file extension supported in Load/Save Session dialog if a session file extension is set.