Apply Magento Patches 5994, 6788, 6482, 7405 to a clients website

Hi there We would like someone to help apply the above patches to a clients website of ours, we've tried applying 5994 and 6788, but we get error messages (see below) also in our applied patches file it seems 5994 might of been partially installed (see below). We need someone to apply these patches successfully. 2015-10-30 22:23:23 UTC | SUPEE-5994 | CE_1.6.0.0 | v1 | _ | n/a | [login to view URL] patching file app/code/core/Mage/Authorizenet/controllers/Directpost/[login to view URL] patching file app/code/core/Mage/Core/Controller/Varien/Router/[login to view URL] patching file app/code/core/Mage/Core/Controller/Varien/Router/[login to view URL] patching file app/code/core/Mage/Customer/Model/[login to view URL] patching file app/code/core/Mage/Dataflow/Model/Convert/Parser/[login to view URL] patching file app/code/core/Mage/ImportExport/Model/Export/Adapter/[login to view URL] patching file app/code/core/Mage/Install/Controller/Router/[login to view URL] patching file app/code/core/Mage/Install/etc/[login to view URL] patching file app/code/core/Mage/Sales/controllers/Recurring/[login to view URL] patching file downloader/Maged/Model/[login to view URL] patching file downloader/Maged/[login to view URL] patching file downloader/template/connect/[login to view URL] patching file downloader/template/[login to view URL] patching file [login to view URL] patching file lib/PEAR/PEAR/[login to view URL] patching file lib/PEAR/PEAR/[login to view URL] patching file lib/Varien/Io/[login to view URL] Terminal Error..... (USERNAME) [~/public_html]# sh [login to view URL] Checking if patch can be applied/reverted successfully... ERROR: Patch can't be applied/reverted successfully. patching file app/code/core/Mage/Authorizenet/controllers/Directpost/[login to view URL] patching file app/code/core/Mage/Core/Controller/Varien/Router/[login to view URL] patching file app/code/core/Mage/Core/Controller/Varien/Router/[login to view URL] patching file app/code/core/Mage/Customer/Model/[login to view URL] patching file app/code/core/Mage/Dataflow/Model/Convert/Parser/[login to view URL] patching file app/code/core/Mage/ImportExport/Model/Export/Adapter/[login to view URL] patching file app/code/core/Mage/Install/Controller/Router/[login to view URL] patching file app/code/core/Mage/Install/etc/[login to view URL] patching file app/code/core/Mage/Sales/controllers/Recurring/[login to view URL] patching file downloader/Maged/Model/[login to view URL] Hunk #1 FAILED at 100. 1 out of 1 hunk FAILED -- saving rejects to file downloader/Maged/Model/[login to view URL] patching file downloader/Maged/[login to view URL] patching file downloader/template/connect/[login to view URL] Hunk #1 FAILED at 33. 1 out of 1 hunk FAILED -- saving rejects to file downloader/template/connect/[login to view URL] patching file downloader/template/[login to view URL] Reversed (or previously applied) patch detected! Assume -R? [n] Apply anyway? [n] Skipping patch. 1 out of 1 hunk ignored -- saving rejects to file downloader/template/[login to view URL] patching file [login to view URL] Reversed (or previously applied) patch detected! Assume -R? [n] Apply anyway? [n] Skipping patch. 1 out of 1 hunk ignored -- saving rejects to file [login to view URL] patching file lib/PEAR/PEAR/[login to view URL] The next patch would create the file lib/PEAR/PEAR/[login to view URL], which already exists! Assume -R? [n] Apply anyway? [n] Skipping patch. 1 out of 1 hunk ignored patching file lib/Varien/Io/[login to view URL]