Orchestrator Trouble

Installer(.exe or .msi):UiPathPlatform

License type(Free, Trial/License code):Free

Studio/Robot version:2018.1.3

Current behavior:

After the installation is complete, the Orchestrator cannot be accessed through the IIS, the error is as follows:
Error Summary
HTTP Error 500.19 - Internal Server Error
The requested page cannot be accessed because the related configuration data for the page is invalid. Detailed Error InformationModule IIS Web Core
Notification Unknown
Handler Not yet determined
Error Code 0x8007000d
Config Error
Config File \?\C:\Program Files (x86)\UiPath\Orchestrator\web.config
Requested URL https://xxxx…com:442/
Physical Path
Logon Method Not yet determined
Logon User Not yet determined
Config Source
-1:
0:
Please check it for me, thank you

Screenshot:

There are a couple of reasons as to why you may be receiving this error
1.
Your configuration file has been corrupted
2.
You do not have the necessary permissions