IIS7.5 Error Code 0x8007007e HTTP error 500.19 solution

After deploying the WCF service in the win2008+IIS7.5 environment today, a page that cannot be opened keeps appearing. The specific error information is as follows:

HTTP Error 500.19 - Internal Server Error

The requested page cannot be accessed because the relevant configuration data of the page is invalid.
Detailed error message
Module DynamicCompressionModule
Notification SendResponse
Handler StaticFile
Error code 0x8007007e
Requested URL ***
Physical path C:/ECG2.0/eWECGService
Anonymous login method
Anonymous login user
The most likely reason:
The worker process cannot read the applicationhost.config or web.config file.​
There is malformed XML in the applicationhost.config or web.config file.​​
The server cannot access the applicationhost.config or web.config file due to incorrect NTFS permissions.​​
Operations you can try:​​
Query the event log for information about the reason why the configuration file is unreadable.​​
Ensure that the user ID specified for the application pool or the authenticated user has the necessary permissions to access the web.config file.
After searching on the Internet for a long time, I found that it was not a matching error. Finally found it on an English website. .

Solution:

#Remove/Disable the XPress compression scheme from the configuration using the command below: (The following command is enough in Dos)

%windir%/system32/inetsrv/appcmd.exe set config -section:system.webServer/httpCompression /-[name='xpress']

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