The timesheet "Add Task" button takes a long time and eventually produces a browser error:
"Unable to process request"
A project task has a special characters in the description which causes the error.
Edit the task description to not include the special character and save.
http://www.ca.com/us/support/ca-support-online/product-content/knowledgebase-articles/tec1032614.aspx
Task Search on Timesheet is slow