Solution: In the above Error issue, you have to Log In with the Admin's account on your Computer and this issue will be resolved. 

> If resolved

>Disposition: Desktop Trouble shooting - Desktop_app_setup 

Solution: In this case open Control Panel > Uninstall old version of BizAnalyst App > Install Desktop App.

> If resolved

>Disposition: Desktop Trouble shooting - Desktop_app_setup 

Solution: Follow the below steps.

Step 1: Check the location of the downloaded file.

Step 2: If the file is not downloaded in the C drive application cannot be installed.

Step 3: Inform the customer to remove files from the C drive to make some space for the Biz analyst file.

Step 4: Move the downloaded file to C drive to install the application completely  

> If resolved

>>Disposition: Desktop Trouble shooting - Desktop_app_setup 

Solution: Follow the below steps.

Step 1: When you see installer integrity error\error loading file\common issue is incomplete download\damaged file while installing desktop app then delete the current file 

Step 2: Download new desktop setup

Step 3: Exclude the setup file from Antivirus

Step 4: Right click on the Setup file > Properties > Unblock (as shown in the image). File is installed and desktop will open

> If resolved

>>Disposition: Desktop Trouble shooting - Desktop_app_setup 

Note- If the issue is not resolved, then forward that call to the L2 team or raise a ticket.