Q&A about Upgrading Visual Prolog and Downloading Patches
- We provide several possibilities to upgrade you Visual Prolog version:
-
- If you are a registered user of Visual Prolog 5.0, you can download a patch to update the version
5.0 to the 5.1 version from this site. The update is free for all registered users - just install
the new version on the top of the old registered version.
You can also order a new Visual Prolog
CD with the latest version of Visual Prolog.
error ept0009: Invalid Patch File 'E:\PROGUT~1\VIP\p_help.rtp'
Probably, this patch file has been corrupted during downloading. Compare the size of
your file with that shown in the table.
If you obtain a different size, please, clean you cache and try to download the file once
more.
I have checked the size of
the downloaded file and found that it was wrong. I repeated downloading
several times but always received the same wrong size. I think you provide an invalid
patch file.
- Please, check your cache, or contact your system administrator for help. Probably, you
receive copies of the corrupted file from your cache, instead of downloading the correct
file from our server.
- The message can be caused by two reasons:
- Some source files of the previous version (e.g. examples) have been changed by a user.
A patch would not be applied to these changed files.
Workaround:
If you want to upgrade these files, please, restore them from the Visual Prolog CD, apply
a patch, and then insert your changes if necessary.
- While Visual Prolog installation you have chosen an installation different from
maximal. Hence, a patch program cannot find uninstalled files. You may pay no
attention to this message if you have not changed the source files of the previous version
(see item 1).
- No. You need to upgrade your Visual Prolog
ordering a new distribution.
Would be most welcome if Visual
Prolog 5.1 would also be available as a complete replacement instead of a patch.
I find it rather difficult to apply these updates unless one has installed the whole
original package.
- Yes, you can order a Visual Prolog 5.1 CD.
However, Visual Prolog 5.1 is also available as a
patch on the WEB. Note, please, that the patch updates only a part of VIP directories.
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