Fix error "Something went wrong initializing Creative Cloud Libraries"

Close any open Adobe products that use Libraries.

Open the Creative Cloud desktop app. (Select the   icon in your Windows taskbar or the macOS menu bar.)

Use the following keyboard shortcuts:

• macOS: Command+Option+R
• Windows: Ctrl+Alt+R

This relaunches Creative Cloud and all its supporting processes, including the Creative Cloud Libraries.

Relaunch the Creative Cloud app in which you received the Libraries error.

Close all Creative Cloud applications. 

Sign out of the Creative Cloud desktop app.

Navigate to the following folder.

• macOS: /Library/Application Support/Adobe/
  
• Windows: C:\Users\[Your User Name]\AppData\Roaming\Adobe

Note:

• macOS: The Library folder is hidden on the macOS. To reveal it, see Can't see user library files in Mac OS X 10.7 and later.
• Windows: The AppData folder is hidden on the Windows OS. To reveal it, see Show hidden files and folders in Windows 10 and earlier.

Delete the Creative Cloud Libraries folder.

Log into your account in the Creative Cloud desktop app and relaunch the Creative Cloud app in which you received the Libraries error.

Navigate to the following folder:

• macOS: /etc
• Windows: C:\Windows\System32\drivers\etc

Note:

macOS: This folder is normally hidden. In Finder, choose Go > Go to Folder. Then, type in "/etc" (without quotes) and select the Go button.

Open the hosts file (in a simple text editor like Notepad or TextEdit).

Verify that you do not have any Adobe websites listed. If any are listed, you can delete them or add # at the beginning of the line to comment them out.

For example, change: 

127.0.0.1 activate.adobe.com

to

#127.0.0.1 activate.adobe.com

Verify that you have the following line and that it is not commented out (does not have # at the beginning): 

127.0.0.1 localhost

(Optional) Use the Creative Cloud Cleaner Tool to repair your hosts file. To read instructions, see How and when to use the Creative Cloud Cleaner tool | Advanced steps.

Open System Preferences from the Apple menu.

Select Network.

Select Advanced.

Select the Proxies tab.

Ensure that the option Exclude Simple Hostnames is selected.

In the search box, type Change proxy settings and open the corresponding search result.

Scroll to the bottom of the Proxy Settings dialog box and ensure that the option Don't use proxy server for local (intranet) addresses is selected.

Type "Internet Explorer" in the Windows search bar. Then select Internet Explorer.

Select the Tools icon (Gear icon in IE 9+) and choose Internet Options from the menu.

Go to the Connections tab and select LAN settings.

Ensure that the Bypass proxy server for local addresses option is selected.

Open the PAC/WPAD proxy configuration file.

Ensure that the following setting is present:

FindProxyForURL(url, host)
if (isInNet(host, "127.0.0.1", "255.255.255.255")) {
     return "DIRECT";
}