SharePoint Use Cases

We are currently customizing a site for a customer, and while doing it, our top navigation bar suddenly stopped highlighting currently selected sites.
The solution to my problem was simple: we modified top navigation manually and added some additional links to sites. If you are adding links to a subsite, it must be formated like this: [...]

I have created a custom approval workflow in a document library. On customize workflow screen I selected the following option:
[x] Update the approval status (use this workflow to control content approval)
During workflow testing I was surprised when SharePoint reported the following error:
“An error has occured in Approval.“
The solution for this problem is very simple, if [...]

I was eager to see what Microsoft has done with reports in new SharePoint. But when I tried to enable and see these reports, I got an error 403 saying this page is forbidden. (I’m SharePoint administrator.)
This problem is known and is explained here: http://support.microsoft.com/kb/913384.
The article references a patch for solving this problem. I downloaded [...]