Include_path= '.; C:\php5\pear ' wrong way to solve

In the purchase of China's network VPS host, want to build a DZ forum, WordPress and a dream of the portal site, but in the process of use, there has been a very let me tangled problem:

Install PHP program (such as discuss, WordPress, etc.) prompts "include_path=".; C:\php5\pear ' "error, the following is a discuz.

Fatal error:require_once () [function.require]: Failed opening required

'./source/class/class_core.php ' (include_path= '.; C:\php5\pear ') in D:\web\BBS\index.php on line 14

The questions are described in detail as follows:

For the sake of convenience, I'll say my directory structure

1, D:\FreeHost for the site root directory, under its placement DZ Forum, WordPress blog and dream-Weaving portal site;

2, to DZ Forum examples, D:\FreeHost\webdz2013_JD3QC6, this is the DZ program root directory, which is the DZ program.

A, my site just started as this setting, administrators and system have full control over the site root directory freehos.

B, the WEBDZ2013_JD3QC6 program root set permissions are: Administrators complete, System complete, IIS Guest account IUSR_DZUSR read and run, listing file directories and read, NETWORK Service Full Control permissions and does not inherit from the parent directory.

Results The last step of the forum appears above the error.

The workaround is as follows

A, to the Web site root freehos "Only this folder" add Read permissions for the IIS Guest account Iusr_dzusr

That's the solution.