While doing a SharePoint development each time we need to provide credentials when we run or debug the project form visual studio and it’s quite annoying and time wasting. To get rid of entering credential each time here is trick in IE
1. Go to the Tools->Internet options
2. Click on security tab, Select Local Intranet and in security level for this zone drag the slicer below and make it Low as shown in below fig. it’s important to make it low if not it will give permission denied error while debugging.