Introduction A
Step by
Step guide to Uninstall
Lockheed Martin's Prepar3D v4
By following this process you will Deactivate and Uninstall Prepar3D v4 from your Computer.
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INDEX1) Uninstalling Prepar3D v4
2) Deleting the 6 Prepar3D v4 folders
-------- Additional Information Returning Prepar3D v4 to a default state
---------------------------------------------------------1) Uninstalling Prepar3D v4 Navigate to your Control Panel "programs and features" Right Click on
Prepar3D v4 Academic \ Professional Click
Uninstall The Modify Setup box will appear, Click
Uninstall After this process has completed, Click
Close Please Note: If you originally Installed Prepar3D v4 by running the component Installers Individually you will not have a
Prepar3D v4 Academic \ Professional in your Control Panel
You can just Right Click on each of the components Client, Content and Scenery and
Uninstall each one of them
-----------------------------------------2) Deleting the 6 Prepar3D v4 folders While the uninstaller removes all files that are created by the installer, it does not completely remove content that was generated during program execution. To completely uninstall Prepar3D, you must manually delete folders and files that are created during runtime.
Note: To locate these folders, Insure the box is Ticked for
Show hidden files, folders and drives in File
Explorer OptionsFor a Clean Uninstall, please manually delete the following 6 blue folders:
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Local Disk (C:) ► Program Files ► Lockheed Martin ►
Prepar3D v4 (or the modified install location)
Documents ►
Prepar3D v4 files \ Prepar3D v4 Add-onsLocal Disk (C:) ► ProgramData ► Lockheed Martin ►
Prepar3D v4 Local Disk (C:) ► Users ► You ► AppData ► Roaming ► Lockheed Martin ►
Prepar3D v4Local Disk (C:) ► Users ► You ► AppData ► Local ► Lockheed Martin ►
Prepar3D v4------------
Restart your computer, You have now successfully uninstalled\Deactivated Prepar3D v4
You are now ready to
Reinstall again
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-----------------------------------------------------------------------------------Additional information Returning Prepar3D v4 to a default state
If you are Uninstalling Prepar3D v4 to fix an Issue you are having maybe you could run a Repair and also delete the generated files to see if this solves your Issue
By following the 2 steps below you will bring Prepar3D v4 back to a default state again, After you complete these steps, Launch Prepar3D and test
2 Steps to return Prepar3D v4 back to a default state
Step 1: Run a
RepairNavigate to your Control Panel "programs and features" Right Click on
Prepar3D v4 Academic \ Professional Click
ChangeThe Modify Setup box will appear, Click
Repair When the process has completed Restart your computer
Step 2: Delete the Generated Files There is a file located in your Core Prepar3D v4 folder called
Delete Generated Files, by double left clicking on this file the generated content from the 3 Prepar3D v4 folders in ProgramData, AppData and Roaming will be removed
Note: This process will disconnect your Add On's and all previously saved settings.
When you launch Prepar3D these files and folders will generated again as default.
Navigate to your core Prepar3D v4 folder, Scroll down a bit, Double left Click on the file
Delete Generated Files By successfully following these 2 steps Prepar3D v4 will now be at a Default state
Launch Prepar3D and test to see if this has resolved your Issue.