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cakeman1 · 09-12-2020, 05:14 PM

I have the latest Sigil 1.30 and Java 64bit running on my Windows 10 64bit machine. I am unable to install epubcheck 4.2.4 or any earlier version. I get "Error: Plugin not a valid sigil plugin".

In Command I checked that java is installed.

I tried installing the plugin from my desktop, not Downloads.

However when I try "python -V" nothing shows. Python is supposed to be bundled with Sigil and it says it is in the manage plugin area "python 3.4".

Please advise.

I used your epubcheck program in the past and it is great. However, I updated to a new computer and cannot install it!

Thanks!

09-12-2020, 05:14 PM	#349
cakeman1 Junior Member Posts: 2 Karma: 10 Join Date: Sep 2020 Device: Kindle Paperwhite	Error: Plugin not a valid sigil plugin I have the latest Sigil 1.30 and Java 64bit running on my Windows 10 64bit machine. I am unable to install epubcheck 4.2.4 or any earlier version. I get "Error: Plugin not a valid sigil plugin". In Command I checked that java is installed. I tried installing the plugin from my desktop, not Downloads. However when I try "python -V" nothing shows. Python is supposed to be bundled with Sigil and it says it is in the manage plugin area "python 3.4". Please advise. I used your epubcheck program in the past and it is great. However, I updated to a new computer and cannot install it! Thanks!