Poppler is not working for Windows 10 Enterprise

Dear Team, I have tried to install poppler in Windows 10 Enterprise. pdftoppm -h/-v are working properly But when I tried to convert my pdf to jpeg or png, getteing the error message as I/O Error: Could'nt open file './xxx.pdf' : No error. I have tried from 23.08 th version to current 11th version. Could you please help me to resolve the issue. I need poppler library to extract text from pdf images in my python code. Regards, Geetha S