Can't install or update

[Studsir]

Your Portal Version: 1.0.3
Your phpBB Type: Standard phpBB3
MODs installed: Yes
Your knowledge: Beginner
Boardlink: localhost

What have you done before the problem was there?
I do not have live phpbb3 yet , all my work is still in personal server.
I was have 1.0.2 and it works fine in my localhost. When ver. 1.0.3 came, I decided to update, I update everything but when I finished and went to install folder to update the database, white blank page came.

What have you already tryed to solve the problem?
I thought it was from the language files , so I put the original one ( english ), nothing happened.
So I decieded to install fresh phpbb3 in new directory and new database, and i did new installation for the portal 1.0.3 and after modifications all the files and putting the including files to their right paths and went to install folder again a white balnk page came.
So now I can't did any installtion and my new phpbb3 gives an error ( when I delete the install folder ) telling that the table of the portal_config is not found.

Description and Message
This my problem , and I checked many times my modifiactions.
also i called directly some files in the install folder ( which are install_install.php, index.php, install_update.php )
all give me white blank page.

I tried to add the install folder of the ver 1.0.2 it works.
so why the installtion of the ver 1.0.3 dosent work???

Thank you

[Studsir]

may this help you,

I went to the php error logs and I see this error

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[02-Apr-2009 18:17:31] PHP Fatal error:  Non-static method module::get_tables() cannot be called statically in C:\apache2triad\htdocs\commGB\install\index.php on line 148

and that line is

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$tables = get_tables($db);

which is loacted in these lines

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		// Check if the board3 Portal is already installed and acp_parent_module is already exists
		$tables = get_tables($db);
		if (in_array(PORTAL_CONFIG_TABLE, $tables))

Note: the PhP is 5