Magento 1.4 Install Errors

We imagine there is going to be a few, but here are the ones we have come across so far:
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1
Unsupported operand types ... Hostname.php Solution: Comment out line +471 in./lib/Zend/Validate/Hostname.php
#$regexChars += include($this->_validIdns[strtoupper($this->_tld)]);
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2
Invalid mode for clean Solution: Remove./app/code/core/Zend/Cache/
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3
Invalid argument supplied for foreach ... toolbar.phtml This is due to a change of the way the pagination works, usually that the template is missing the relevant XML block to load and the subsquent PHP call Solution: Create a new file./template/catalog/product/list/pager.phtml
and entergetCollection()->getSize()): ?> getLastPageNum()>1): ?>
Edit__('Page:') ?> ./layout/catalog.xml
and add:./template/catalog/product/list/toolbar.phtml
and replace code between (and including) [approx. line 44 to line 63]getLastPageNum()>1 && is_array($this->getPages())): ?> .....
With:getPagerHtml(); ?>
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4
During installation, blank page after database details Solution: Albeit not a solution, more of a hack. 1) You get to the administrator stage and the page is blank 2) Rename ./app/etc/local/xml to ./app/etc/local.xml.old 3) Reload the page, and it the fields will appear. 4) Restore ./app/etc/local.xml 5) Fill in the fields as usual and click submit 6) The next page will be blank, but the information will have saved correctly. -
5
There has been an error processing your request #1424782433 Errors are hidden by default in 1.4, so you will need to open the file using command line or FTP. Solution: Open./var/report/1424782433/
OR If you are developing, add this to your .htaccess fileSetEnv MAGE_IS_DEVELOPER_MODE "true"