This may be caused by the way your file is encoded. All Rainmeter skins should be encoded as UTF-16 LIttle Endian.
https://docs.rainmeter.net/tips/unicode-in-rainmeter/
The encoding you want in different text editors:
Unicode (Windows Notepad.exe)
UCS-2 LE BOM (Notepad++)
UTF-16 LE (Sublime Text)
Statistics: Posted by eclectic-tech — Yesterday, 8:26 pm