Boot the OS by typing boot c: or running your preset .bat file.
Wait patiently. Windows 95 can take 5 to 10 minutes to reach the desktop due to the PSP's processor speed. Performance Tips and Controls windows 95 on psp using dosbox download and set
Realistically, you are not using Office 97 or browsing the modern web. But here is what works beautifully: Boot the OS by typing boot c: or running your preset