An error occurred while preparing the installation. 10.14.6 Mojave laptop

Hi. I made the USB installer using Windows and put Clover in a 200 MB partition and the rest of the usb for the installations files... Clover boots ok and the installation comes up with no problems, but when I press Install, the bar fills up to the last third (2 minutes remaining) and then gives this error:

An error occurred while preparing the installation. Try running this application again.

I checked the date via terminal and fixed it both manually and automatically (time.apple.com), but it gave me the same error. Tried redownloading the files and made sure it’s correct by sha1 checksum, but I still get the same error at the same time.

Btw, I want to reinstall the system and upgrade it with 10.15.4 Catalina, and I can’t access a macos because the laptop’s Mojave is corrupt...

Thanks for any help.

submitted by /u/Sinagamer55
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