Clip Studio is showing as offline or is displaying a 12006 error.

If you experience problems when using services that require a network connection with Clip Studio, such as logging in, downloading materials, or viewing tutorials, check the following.

Note: This also applies when “OFFLINE Not connected to the Internet.” displays, even though the computer is online.




Updating the application

Install the latest version of Clip Studio by installing the latest version of Clip Studio Paint.

Update the application and see if there are any improvements to the situation.


Clip Studio Paint



Check Microsoft Edge/Safari version

Regardless of the browser you normally use, Clip Studio communicates using Microsoft Edge* for Windows and Safari for macOS.


If your browser version is outdated, please update to the latest version.


* For Clip Studio Ver. 1.12.7 or later or Windows 10



Windows: For Clip Studio Ver. 1.12.3 or earlier or Windows 8.1

Clip Studio Ver. 1.12.3 and earlier versions and Windows 8.1 use Internet Explorer to connect to the internet.

Deleting or resetting it’s cache and history may improve performance.

Note: This will also reset your login and password details for all websites. If necessary, please take note of your passwords and other information before deleting or resetting your cache or history.


How to delete Internet Explorer cache

1. Start Internet Explorer 11.

2. Click the gear-shaped icon in the upper right corner of the screen.

3. Click Safety > Delete Browsing History.

4. Delete Browsing History will display. Check all the items, and then click Delete.

5. Exit Internet Explorer and restart your computer to check if the issue persists.


How to reset Internet Explorer

1. Start Internet Explorer.

2. Click the gear mark in the upper right and click Internet Options.

3. Click Reset in the Advanced tab.

4. The Reset Internet Explorer Settings will display. Check Delete personal settings and click Reset. Confirm the instructions in the window and perform the reset.

5. Once the reset is complete, click close, OK, and then click OK again.

6. Exit Internet Explorer and restart your computer to check if the issue persists.



macOS: How to delete Safari cache, cookies, and history

Deleting the cache, cookies, and history of Safari may improve performance.

Note: This will reset your login and password details for all websites. If necessary, please take note of your passwords and other information before deleting or resetting your cache or history.


Delete cache

1. Click the Safari menu > Preferences > Advanced.

2. Check Show Develop menu in menu bar.

3. Click the Develop menu shown on the menu bar.

4. Click Empty Caches.


Deleting cookies

1. Click the Safari menu > Preferences > Privacy.

2. Click Manage Website Data in Cookies and website data.

3. Click Remove All, and then click Done.


Clearing history

1. Click Safari menu > Clear History.

2. Set Clear to all history.

3. Select Clear History.



Setting security software exclusion settings

Security software may be interfering with the application. Please refer to the following page to set security exclusions.



How to deal with individual cases

If you are experiencing any of the following issues, please check the respective article.


If you cannot log in


If downloading a material fails


If a material-related error displays on Clip Studio’s communication management screen




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