I tried a clean install of the 1.13.2 latest forge (25.0.219) using the Twitch launcher and the launcher kicks out this error. The error actually started at version 25.0.216.
Windows 10,
Failed to download file, the file contents differ from what was expected. log4j-api-2.11.2.jar
Name: log4j-api-2.11.2.jar
URL: https://modloaders.forgecdn.net/647622546/maven/org/apache/logging/log4j/log4j-api/2.11.2/log4j-api-2.11.2.jar
Filename on disk: d3e5-1380-0da7-8cfe
Path: C:\Users\revda\AppData\Local\Temp\d3e5-1380-0da7-8cfe
Exists: file
