Office
What should I do if I cannot reinstall Microsoft 365 after uninstalling it?
Solution：
Please click here to visit the Office support website, download the Microsoft 365 uninstall support tool, and run it to thoroughly clear the residuals. It is applicable to both Windows OS and Mac OS.
What should I do if I can't add my Exchange mailbox to Outlook for Mac?
Solution：
The faculty and staff mailboxes are of the Exchange type. When using a third-party mailbox application to log in to the mailbox, you need to first confirm whether the mailbox application supports the Exchange mailbox type. The old version of Outlook for Mac supports the Exchange type, but the new version of Outlook for Mac does not. Please follow the steps below to switch to the old version of Outlook for Mac.
Open Outlook, click on the “Help” menu and select “Revert to Legacy Outlook”, then restart Outlook.
The account added in the new Outlook for Mac will not be automatically added to the old version Outlook, and vice versa.
After switching to the old version of Outlook for Mac, log in to the university email according to the following information
Email type: Exchange
Email account: CUHK(SZ) account@cuhk.edu.cn
Server: mail.cuhk.edu.cn
Domain: cuhksz
Username: CUHK(SZ) account
Password: CUHK(SZ) account password
MATLAB
What should I do if MATLAB does not run properly and shows the following error message?
License checkout failed.
License Manager Error -15
Unable to connect to the license server.
Solution：
MathWorks Service Host works with specific licensing services and MATLAB Drive Connector. Any startup issues with either will require uninstalling and reinstalling MathWorks Service Host, which can be done by following these steps:
1. End the process
Windows
Open Task Manager (usually by pressing Ctrl+Alt+Delete simultaneously on the keyboard), if you don’t see options like "Processes" and "Performance", choose "More Details" at the lower left corner of the window, navigate to the “Details” tab near the top of the window, find the process “MathWorks Service Host”, right-click and choose "End Task".
MacOS
Search and open the “Terminal” program at the top right corner of the Mac OS screen, type sudo killall MathWorksServiceHost and press Enter.
Linux
Open "Terminal" and type sudo killall MathWorksServiceHost and press Enter.
2. Uninstall MathWorks Service Host
Windows
First, make sure you can view hidden folders in File Explorer. If you have already enabled this feature, you can skip this section.
Show hidden folders and files, open the system Control Panel, click the search bar at the top right corner of the window, search for "hidden", click "Show hidden files and folders", under the "Hidden files and folders" section, select "Show hidden files, folders and drives" and confirm.
Uninstall MathWorks Service Host
Uninstall MathWorks Service Host Press Windows+R to open “Run”, enter "C:\Users%username%\AppData\Local\MathWorks\ServiceHost" and press Enter, which will lead to a system folder
Enter the folder named after any installed version (for example: v2023.9.0.2. If you have installed multiple versions, it means you need to repeat steps 3-6 for each installed version).
Enter "mci" --> "bin" --> "win64" folder, double-click and run the "UninstallMathWorksServiceHost" uninstaller.
The uninstaller will not have any pop-ups and will complete in a while. If you have installed multiple versions, please repeat steps 3-6 for each version installed.
Return to the “ServiceHost” folder and delete all folders with version names (for example: v2023.9.0.2) that were just uninstalled.
Delete the LastInstall.info file
Enter the previous MathWorks folder (that is, C:\Users%username%\AppData\Local\MathWorks), delete the MATLABConnector folder. If you don’t see this folder, please refer to the above “Show hidden folders and files” for settings.
MacOS
Open “Finder”
At the top left corner of the screen, you should see buttons like “File, Edit, Display”, choose “Go”, select the second last option “Go to Folder…” in the drop-down menu, enter the following content: ~/Library/Application Support/MathWorks, press Enter to run.
Delete the MATLABConnector folder, enter the folder named “ServiceHost”.
Delete any folders starting with the letter “v”, delete the LastInstall.info file.
Linux
*Note: Some of the folders you will enter are hidden folders, you may need to execute other commands or enable the file explorer to view hidden folders. The method of doing this will vary depending on the Linux distribution and file explorer you are using.
Enter the following folder: /home/$USER/.MathWorks/ServiceHost/$HOSTNAME/
Enter the folder named after any installed version (for example: v2023.9.0.2. If you have installed multiple versions, it means you need to repeat steps 3-6 for each installed version)
Enter "mci" --> "bin" --> "glnxa64" folder
Run the uninstall script “UninstallMathWorksServiceHost.sh”
The uninstaller will not have any pop-ups and will be completed in a while. If you have installed multiple versions, please repeat steps 2-5 for each version installed.
Return to the “ServiceHost” folder and delete all folders with version names (for example: v2023.9.0.2) that were just uninstalled.
Delete the LastInstall.info file, enter the $HOSTNAME folder(that is, /home/$USER/.MathWorks/ServiceHost/$HOSTNAME/)
Delete the MATLABConnector folder, enter the user’s home directory (/home/$USER/)
Delete the folder “.MATLABConnector”
3. Reinstall MathWorks Service Host
Please click here to download the latest MATLAB Drive Connector installer:
Run the downloaded file, if the system prompts you to configure MATLAB Drive Connector, you can ignore and exit, unless you plan to use MATLAB Drive
You can try restarting MATLAB to see if the problem is resolved.
What should I do if I cannot reinstall MATLAB after uninstalling it?
Solution：
Residuals from previous MATLAB installations may cause problems with newly installed MATLAB. Please follow the steps below for a fresh installation of MATLAB:
1. Uninstall MATLAB
Please click here to refer to the detailed operation steps under specific operating systems:
Delete any desktop shortcuts for MATLAB.
2. Manually delete the installation folder (Windows only)
After doing this, open File Explorer and navigate to the MATLAB root folder. By default, this folder is located in Windows: C:\Program Files\MATLAB
*Note: If you cannot find MATLAB in these locations, please consult your system administrator to find the MATLAB installation directory.
3. Delete user preset folders
Windows:
In the File Explorer window, type the following in the address bar and press Enter: %appdata%
This will take you to the “Roaming” folder named for the current logged-in user account. Open “MathWorks”, then open “MATLAB”.
macOS：
Open Finder, the blue face on the Dock
In the Finder window, click “Go” in the menu and click “Go to Folder”
Go to the following folder: ~/Library/Application Support/MathWorks/MATLAB
For R2016a and earlier versions: ~/.matlab
Linux/UNIX：
Open Terminal application (usually found in Applications or Utilities)
In the Terminal window, run the following command: cd ~/.matlab
Delete the folder corresponding to the MATLAB version to be uninstalled, for example “R2020b”. The current version may also have a license directory, for example “R2020b_licenses”, delete this folder as well.
*Note: If you are performing this operation as an administrator for other users, you will need to perform it from the user’s directory instead of the administrator’s directory.
4.Delete MathWorks installation program
Finally, delete the previously downloaded MathWorks installation program from the “Downloads” folder. The location of this folder may vary depending on your internet browser settings, but the default locations are as follows:
Windows：
C:\Users\%username%\Downloads
macOS：
Open Finder, the blue face on the Dock
In the Finder window, click “Go” in the menu and click Downloads
Linux/UNIX：
~/Downloads
Each MATLAB version has a folder and .exe to delete. Please delete both, then download the installation program from the MathWorks website again.
Examples of these files include:
matlab_R20XXx_win64.exe
_temp_matlab_R20XXx_win64
*Note: XXx is a placeholder for your specific version of MATLAB.
5. Reinstall (excluding interference from third-party applications)
Install MATLAB. Please click here to refer to the detailed operation steps under specific operating systems.
Adobe
What should I do if I cannot reinstall Adobe software after uninstalling it?
Please click here to download the Adobe Creative Cloud Cleaner Tool, which can solve many common problems (such as deleting old Adobe software, cleaning damaged installation files, and fixing the host file to connect to Adobe servers).
1.Windows
1) Download Adobe Creative Cloud Cleaner Tool.
2) Right-click the downloaded file and select “Run as Administrator”.
3) Follow the instructions on the screen in the following order：
a) Select your language: type e for English, or type j for Japanese, then press Enter.
b) Review Adobe End User License Agreement: type y to accept the agreement; or type n to decline the agreement (if declined, the script will stop running). Press Enter.
c) Type the number corresponding to the option you want to select, then press Enter. For example, if you want to uninstall Creative Cloud applications, type 4 (CC applications).
d) To delete an application, select it by typing the number corresponding to the name of the application you want to delete, then press Enter.
If you encounter problems with file synchronization, you may need to delete Adobe Content Synchronizer. To do this, type 1 or 4 and press Enter. Then, type the number corresponding to Adobe Content Synchronizer and press Enter.
e) Confirm that you want to delete the entry: type y, then press Enter.
f) (Optional) If you cannot connect to Adobe servers, repeat the above steps to repair your host file. After accepting the End User License Agreement, type 12 to select the host file option. Confirm that you want to repair the host file: type y, then press Enter. The Cleaner Tool creates a backup of the host file (named hosts_bkup) in the same directory, which can be restored in case of problems.
4）When you see the "Adobe Creative Cloud Cleaner tool completed successfully" message, press Enter and restart your computer.
5）After successfully running the Adobe Creative Cloud Cleaner Tool, reinstall Creative Cloud or Adobe applications.
2.macOS
1）Download the Adobe Creative Cloud Cleaner Tool.
2）To run the Adobe Creative Cloud Cleaner Tool, double-click the AdobeCreativeCloudCleanerTool.dmg file.
3）Double-click the Adobe Creative Cloud Cleaner Tool and follow the instructions on the screen in this order:
a) Select your language from the menu in the top right corner.
b) View the Adobe End User License Agreement: click Accept to accept, or click Exit to decline (if you decline, the script will stop running).
c) Select an option from the menu in the top right corner. For example, if you want to uninstall Creative Cloud applications, select CC Applications.
d) From the table, select the application you want to clear and click Cleanup Selected. (Click Clean All to clear all files related to the installation you selected in step c.)
Similarly, if you encounter problems with file synchronization, you may need to clean up Adobe Content Synchronizer. First, make sure All is selected in the pop-up menu. Then, select CoreSync from the list and click Cleanup Selected.
e) (Optional) If you cannot connect to Adobe servers, select Repair host file from the table to repair your host file, then click Cleanup Selected. The Cleaner Tool creates a backup of the host file (named hosts_bkup) in the same directory, which can be restored in case of problems.
4）When you see the "Adobe Creative Cloud Cleaner Tool completed successfully" message, click Exit and restart your computer.
5）After successfully running the Adobe Creative Cloud Cleaner Tool, reinstall Creative Cloud or Adobe applications.
Adobe Acrobat cannot print documents, prompting "The document could not be printed," what should I do?
Solution：
Open Control Panel > Select Devices and Printers > Right-click the printer client and select Printing Preferences > Click Defaults > Click OK, after this setting, open Adobe Acrobat and you should be able to print normally.
Why can't Adobe Acrobat change to other languages in the system settings preferences?
The Adobe Acrobat software cannot set other languages in the settings. It may be that the language you need was not added when the software was installed.
Solution：
1.Go to Control Panel - Programs - Programs and Features, find and click Adobe Acrobat, then click Change.
2.Add language settings as shown in the image. Click Next.
Select Modify, click Next.
Expand the Languages option, find the required language.
Expand the selected language option, click "This feature will be installed on local hard drive," click Install.
Wait for the installation to complete.
