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Generic KB Uninstaller

Summary​

This task uninstalls a specified Windows update from a machine. It requires the user to provide the KBID (Knowledge Base ID) of the update through a user parameter. Additionally, it also includes an optional setting that allows a system restart if the uninstallation process requires it.

Sample Run​

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User Parameters​

NameExampleRequiredDefaultTypeDescription
KBID545664True-StringKBID (Knowledge Base Identifier) of the Windows update to uninstall.
RebootYes/NoFalseFalseStringSelect Yes to facilitate a system reboot when required. No to suppress the reboot.

Task Creation​

Script Details​

Step 1​

Navigate to Automation ➞ Tasks
step1

Step 2​

Create a new Script Editor style task by choosing the Script Editor option from the Add dropdown menu
step2

The New Script page will appear on clicking the Script Editor button:
step3

Step 3​

Fill in the following details in the Description section:

  • Name: Generic KB Uninstaller
  • Description: This task uninstalls a specified Windows update from a machine. It requires the user to provide the KBID (Knowledge Base ID) of the update through a user parameter. Additionally, it also includes an optional setting that allows a system restart if the uninstallation process requires it.
  • Category: Patching

Task Creation Step

Parameters​

Locate the Add Parameter button on the right-hand side of the screen and click on it to create a new parameter.
AddParameter

KBID:​

The Add New Script Parameter page will appear on clicking the Add Parameter button.
AddNewScriptParameter

  • Set KBID in the Parameter Name field.
  • Select Text String from the Parameter Type dropdown menu.
  • Enable the Required Field button.
  • Click the Save button.

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Reboot:​

The Add New Script Parameter page will appear on clicking the Add Parameter button.
AddNewScriptParameter

  • Set Reboot in the Parameter Name field.
  • Select Flag from the Parameter Type dropdown menu.
  • Enable the Default Value button.
  • Set False in the Value field.
  • Click the Save button.

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Script Editor​

Click the Add Row button in the Script Editor section to start creating the script
AddRow

A blank function will appear:
BlankFunction

Row 1 Function: PowerShell Script​

Search and select the PowerShell Script function.

PowerShell Function Selected

The following function will pop up on the screen:
PowerShell Function Example

Paste in the following PowerShell script and set the Expected time of script execution in seconds to 1800 seconds. Click the Save button.

PowerShell Script

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Row 2 Function: Script Log​

Add a new row by clicking the Add Row button.
Add Row

A blank function will appear.
Blank Function

Search and select the Script Log function.
Script Log Search

In the script log message, simply type %output% and click the Save button.
Script Log Save

Save Task​

Click the Save button at the top-right corner of the screen to save the script.
SaveButton

Completed Task​

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Output​

  • Script Output

Changelog​

2026-03-13​

  • Initial version of the document