Magento Admin Error

Hi, I am looking for a Magento expert to fix some minor errors from the admin. panel. Magento CE Version 1.4.0.1. Site is trampolinejumpers.com. Here are the error issues: This error happens when you attempt to use magento connect (from systems tab): Fatal error: main() [[login to view URL]]: Failed opening required '/home1/americj2/public_html/downloader/pearlib/php/[login to view URL]' (include_path='/home1/americj2/public_html/downloader/pearlib/php:/home1/americj2/public_html/app/code/local:/home1/americj2/public_html/app/code/community:/home1/americj2/public_html/app/code/core:/home1/americj2/public_html/lib:.:/usr/lib/php:/usr/local/lib/php') in /home1/americj2/public_html/lib/Varien/[login to view URL] on line 265 2nd Error: when attempting to delete or edit any product (you will get this error) o SQLSTATE[HY000]: General error: 1205 Lock wait timeout exceeded; try restarting transaction o SQLSTATE[HY000]: General error: 1205 Lock wait timeout exceeded; try restarting transaction Will be paid once it is tested and completed. Please do not ask for advance payment. I have never had any issues with paying my freelancers. Funds will be in escrow.