Hoadley Options Excel Add-In Application Install Behavior Analysis

Install behavior:

1. When Excel is in-use

1. Add-in loads only when user logoff and login
2. Re-launching Excel doesn’t load add-in

2. Excel loads add-in just fine if Excel was not in use during install

Excel Usage behavior:

1. Once user access add-in installed Excel. The add-in key get’s saved in HKEY_CURRENT_USERSoftwareMicrosoftOfficeExcelAddins.  Per http://support.microsoft.com/kb/291392, this is a general case for any add-in.

2. When user access Excel on other PCs, Excel reports that respective add-in is missing on the PC. Example as below:

             a.

UnInstall behavior:

1. When Excel is in-use

1. Existing Add-in sessions continues to work
2. Launch of new Excel results in below error prompt for every Excel launch
3. 

2. Excel loads add-in just fine if Excel was not in use during install