Here is a quick solution to get rid of SQL Database not found error in SharePoint
Often your web part page starts behaving strangely or giving you errors due to some buggy script or web part. This sometimes even stops you to open page in edit mode because of Java Script errors.
Don’t worry, there is a very simple way to delete those web parts. Just append ?contents=1 at the end of the URL of respective page and SharePoint will open the Web Part Maintenance Page for it.
Here is the quickest way to add your own CSS file for your web part.
Here is the step-by-step procedure to enable search on Last Modified By field in SharePoint Search
Here is the quickest solution to solve the “Virtual PC has detected an invalid or missing Product ID” error