How can I uninstall matlab toolboxes?

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Giuseppe
Giuseppe on 27 May 2021
Commented: Walter Roberson on 2 Jun 2021
Hi guys, I'm trying to uninstall the "Mapping toolbox" but I get the following error in the "product uninstaller" window:
" The application encountered an unexpected error and needs to close. You may want to try re-installing your product(s). More information can be found at C:\Users\peppe\AppData\Local\Temp\mathworks_peppe.log "
Here a part of text on the .log file:
(mag 27, 2021 23:44:28) # Today's Date:
(mag 27, 2021 23:44:28) Thu May 27 23:44:28 CEST 2021
(mag 27, 2021 23:44:28)
(mag 27, 2021 23:44:28) System Info
(mag 27, 2021 23:44:28) OS: Windows 10 10.0
(mag 27, 2021 23:44:28) Arch: amd64
(mag 27, 2021 23:44:28) Data Model: 64
(mag 27, 2021 23:44:28) Language: it
(mag 27, 2021 23:44:28) Java Vendor: Oracle Corporation
(mag 27, 2021 23:44:28) Java Home: C:\Program Files\MATLAB\R2021a\sys\java\jre\win64\jre
(mag 27, 2021 23:44:28) Java Version: 1.8.0_202
(mag 27, 2021 23:44:28) Java VM Name: Java HotSpot(TM) 64-Bit Server VM
(mag 27, 2021 23:44:28) Release Description: R2021a_Update_2
(mag 27, 2021 23:44:28) Java Class Path: C:\PROGRA~1\MATLAB\R2021a\java/config/trialsinstaller/pathlist.jar
(mag 27, 2021 23:44:28) User Name: peppe
(mag 27, 2021 23:44:28) Current Directory: C:\Users\peppe\OneDrive - Università di Napoli Federico II\DSV-Project_sottogruppo1
(mag 27, 2021 23:44:28) Input arguments:
(mag 27, 2021 23:44:28) basecode.MG true
(mag 27, 2021 23:44:28) root C:\Program Files\MATLAB\R2021a
(mag 27, 2021 23:44:28) libdir C:\Program Files\MATLAB\R2021a\uninstall
(mag 27, 2021 23:44:28) standalone true
(mag 27, 2021 23:44:56) java.util.concurrent.ExecutionException: java.lang.NullPointerException
at java.util.concurrent.FutureTask.report(FutureTask.java:122)
at java.util.concurrent.FutureTask.get(FutureTask.java:192)
at javax.swing.SwingWorker.get(SwingWorker.java:602)
at com.mathworks.wizard.worker.WorkerImpl.done(WorkerImpl.java:33)
at javax.swing.SwingWorker$5.run(SwingWorker.java:737)
at javax.swing.SwingWorker$DoSubmitAccumulativeRunnable.run(SwingWorker.java:832)
at sun.swing.AccumulativeRunnable.run(AccumulativeRunnable.java:112)
at javax.swing.SwingWorker$DoSubmitAccumulativeRunnable.actionPerformed(SwingWorker.java:842)
at javax.swing.Timer.fireActionPerformed(Timer.java:313)
at javax.swing.Timer$DoPostEvent.run(Timer.java:245)
at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:311)
at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:758)
at java.awt.EventQueue.access$500(EventQueue.java:97)
at java.awt.EventQueue$3.run(EventQueue.java:709)
at java.awt.EventQueue$3.run(EventQueue.java:703)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:74)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:728)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:205)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:82)
Caused by: java.lang.NullPointerException
at com.mathworks.install_impl.InstalledProductDataImpl.removeFilesAlsoInComponentsNotBeingUninstalled(Unknown Source)
at com.mathworks.install_impl.InstalledProductDataImpl.getTotalFileCount(Unknown Source)
at com.mathworks.install_impl.ProductInstallerImpl.getUninstallUnits(Unknown Source)
at com.mathworks.install_impl.InstallerImpl.getUninstallTotalUnits(Unknown Source)
at com.mathworks.install_impl.InstallerImpl.getUninstallTotalUnits(Unknown Source)
at com.mathworks.installwizard.model.UninstallTask.calculateTotalUnits(UninstallTask.java:31)
at com.mathworks.installwizard.model.AbstractBackgroundTask.calculateTotalUnits(AbstractBackgroundTask.java:43)
at com.mathworks.install_task.AbstractInstallTask.call(AbstractInstallTask.java:47)
at com.mathworks.install_task.AbstractInstallTask.call(AbstractInstallTask.java:18)
at com.mathworks.wizard.worker.WorkerImpl.doInBackground(WorkerImpl.java:24)
at javax.swing.SwingWorker$1.call(SwingWorker.java:295)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at javax.swing.SwingWorker.run(SwingWorker.java:334)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
(mag 27, 2021 23:44:56) Error: The application encountered an unexpected error and needs to close. You may want to try re-installing your product(s). More information can be found at C:\Users\peppe\AppData\Local\Temp\mathworks_peppe.log
(mag 27, 2021 23:45:04) Exiting with status -2
(mag 27, 2021 23:45:04) End - Unsuccessful.

Answers (1)

Walter Roberson
Walter Roberson on 28 May 2021
You might need to Run As Administrator to uninstall using the flow you were using.
If I recall correctly, in Windows, error -2 indicates permission denied.
  4 Comments
Walter Roberson
Walter Roberson on 2 Jun 2021
Sorry, I do not know. I recommend contacting Mathworks Support.

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