February 4, 20188 yr Author Problems launching Prepar3D, New Install, Or Reinstall, No 3rd party Add On's If you have Successfully Installed Prepar3D but now Prepar3D will Not launch please go through these steps one by one to help resolve this Click here for the Prepar3D system requirements Note: A Graphics Card with with Full DirectX 11 Support is required Windows N Version requires the Media feature pack to run Prepar3D, Download and Install the Media Feature Pack ---------------------------------------- INDEX I) Steps to check and confirm II) Error messages when launching Prepar3D --------------- I) Steps to check and confirm Please go through these steps one by one to help resolve your situation Launch Prepar3D and test after you each step A) Windows Update Fully update your system. This should include running the Windows Update and updating any drivers to the newest version. --------------- B) Windows Admin Are you logged onto your windows user account as administrator ? If not log in now as administrator Or Create an administrator user account and then log in --------------- C) Graphics card Confirm your dedicated graphics card is set to properly execute Prepar3D. Some PC's and Laptops have dual cards, an on-board Integrated card and a dedicated high performance GTX \ AMD card. NVIDIA graphics cards: Open the NVIDIA Control Panel, select Manage 3D settings, and set the Preferred graphics processor to High-performance NVIDIA processor. You can also set Prepar3D.exe’s preferred graphics processor directly under the Program Settings tab under Manage 3D settings. AMD graphics card: Open the AMD Control Panel go to the Switchable Graphics tab, browse and locate the Prepar3D.exe and set it for High Performance and click Apply. Then to Graphics > PowerPlay - Set Plugged In and Battery to Maximum Performance and Click Apply. Restart your computer when you have applied the changes. --------------- D) Antivirus Software Disable any Antivirus Software you may have, Then launch Prepar3D and test, If successful Insure you add the complete core Prepar3D folder to the Exclusions Zone. This will stop any of the Prepar3D files been detected as False Positives. Also Disable the UAC User Account Control Windows Defender: If you are using Windows Defender Turn Off "Real Time Protection" and "Controlled folder access" and then launch Prepar3D and test, If successful make sure you add the complete core Prepar3D folder to the Exclusions Zone of Windows Defender Like This You can also add an Exclusion for "Controlled folder access" OR just turn this Option Off --------------- E) Administrator Launch Prepar3D as administrator Navigate to your Prepar3D core folder right click on the Prepar3D.exe and run as administrator If successful you can then set up Prepar3D to run as administrator Like This --------------- F) Delete Generated files Remove the Prepar3D generated folders that is generated during the program execution These folders and files will generate again when Prepar3D is launched next Prepar3D v4: Navigate to your core Prepar3D v4 folder, Scroll down a bit, Double left Click on the file Delete Generated files, A small black window will appear and then disappear again, this is normal. Next: Navigate to this location below and manually delete the 2 blue folders Documents ► Prepar3D v4 files \ Prepar3D v4 Add-ons Then launch Prepar3D and test Prepar3D v3 Copy the Tex below one by one and Paste them into your windows search bar and click on the result Delete all the files and folders in these locations, They will generate again when Prepar3D is launched next %PROGRAMDATA%\Lockheed Martin\Prepar3D v3 %LOCALAPPDATA%\Lockheed Martin\Prepar3D v3 %APPDATA%\Lockheed Martin\Prepar3D v3 Next: Navigate to this location below and manually delete the 2 blue folders Documents ► Prepar3D v3 files \ Prepar3D v3 Add-ons When you have completed this launch Prepar3D and test --------------- G) USB Devices Remove all USB Devices Including extra Monitors and sounds cards (Except keyboard and mouse) Plug just 1 Monitor back directly into your dedicated GPU and then launch Prepar3D and test. Its possible a recent windows updated or Incompatible driver is causing this Issue If this step is successful plug each USB device back in one by one and test as you go along --------------- H) Microsoft Visuals Prepar3D v4: Download and Install Microsoft Visuals 2015 (x64) and (x86) Insure you first disable your Antivirus Software, Your Firewall and UAC (User Account Control) 1) Download Microsoft Visuals 2015 (x64) and (x86) at the link below 2) Run both Installers as Administrator and restart your computer https://www.microsoft.com/en-us/download/details.aspx?id=52685 Note: If you already have Visuals 2015 run a Repair in the Control panel, Right click, click Change and click Repair Prepar3D v3: Download and Install Microsoft Visuals 2013 (x64) and (x86) Run both Installers as Administrator and restart your computer https://www.microsoft.com/en-ie/download/details.aspx?id=40784 --------------- I) Microsoft .NET Framework Windows 10: Run the Microsoft .NET Framework Repair Tool Click Here and go through the prompted steps Windows 7 & 8: Insure you have at least Microsoft .NET Framework 4.6.2 Installed, Run the Installer as administrator and Restart your computer when completed --------------- J) Run a Repair on Prepar3D Run a Repair on your Prepar3D Install Navigate to the windows Control Panel right click Prepar3D Academic \ Professional and click Change and click Repair Then Restart your computer Note: Insure you first disable your Antivirus Software, Your Firewall and the UAC (User Account Control) --------------- K) Graphics driver Reinstall or Update your graphics driver. Insure you Tick the Box for "Perform a clean Installation" when you are prompted the option during the driver Install process Also you can use a driver cleaning utility like Driver Display Uninstaller to remove your old driver and then proceed to Install the driver again --------------- L) Windows User Account To eliminate a corrupt windows user Account........ Temporarily Create another Windows User Account with Admin privileges, Sign into this new account and then launch Prepar3D and test Note: Don't use Special Characters in your Windows User name --------------- M) DirectX End-User Runtimes Download and Install DirectX End-User Runtimes Before you begin...... Create and Name a new folder anywhere on your PC, For example I created a new folder in my Documents calling it DirectX Point the Installer to this folder and extract the files here 1) Download DirectX End-User Runtimes (June 2010) 2) Navigate to your downloads and right click on directx_Jun2010_redist.exe and run as administrator 3) Click Yes to the terms and conditions 4) Click Browse and navigate to your new folder, Click ok. The Installer will extract the files here 5) Open your new folder, Scroll down and right click on DXSETUP.EXE and run as administrator After the Install process has completed Restart your computer --------------- N) Microsoft Core XML (MSXML) 6.0 Download and Install the prerequisite msxmI6_x86 + x 64msi More then likely you already have this prerequisite on your computer --------------- O) Uninstall \ Reinstall Prepar3D Uninstall Prepar3D and then Reinstall again Uninstall Prepar3D: Please see This Link for a guide with Images to Uninstall Prepar3D Reinstall Prepar3D: Please see This Link for a guide to Reinstall Prepar3D. Then launch Prepar3D and test Note: If you are having problems Installing Prepar3D, Click Here for Troubleshooting steps to take --------------- P) System File Checker Run the The System File Checker, Its a utility in Windows that allows users to scan for corruptions in Windows system files and restore corrupted files For a guide to use this tool Click Here II) Error messages when launching Prepar3D Please Note: These steps are tailored best for a New Install or new reinstall. Using the Delete generated files command will Disable any 3rd party software you may have Installed and reset Prepar3D back to a default state again. Here are just some of the messages and error messages you might encounter whilst troubleshooting launching Prepar3D after a New Install or Reinstall INDEX 1) Error: No Remaining Activation's 2) This Device (Intel(R)HD Graphics) does not appear to support DirectX 11 3) DXGI ERROR_DEVICE_HUNG \ Display driver has stopped responding and has recovered 4) Prepar3d V4 Content and Or scenery not installed, Application will now close 5) Prepar3D cannot run without a Valid Scenery.cfg file 6) Could not find scenery Area [xxx] local scenery director \ Remote directory Invalid 7) api.dll is missing from your computer 😎 Prepar3D requires at least one each of the following to run: an airport 9) MFReadWrite.dll \ MFPlat.dll was not found 10) MSVCP140.dllVC \ Runtime140.dll \ concrt140.dll is missing or contains an error 11) MSVCP120.dll \ Runtime120.dll is missing or contains an error 12) D3Dcompiler_43.dll \ D3DX9_43.DLL not found 13) Living World Settings In LWcfg.xml are Invalid 14) Could not find Scenery Area001's local scenery directory 15) No Shader HLSL director found 16) Vehicle Initialization has failed for: F-22 Raptor 17) nvspcap64.dll is not a valid \ Not starting \ Not found ------------------------------------------------------------------------------------------------------------ 1) Error: No Remaining Activation's For future purposes, before making any major changes to your computer (hardware swaps, operating system changes, etc.,) please Uninstall\Deactivate Prepar3D to release the Prepar3D license If you need an additional activation, Please e-mail [email protected] with a very brief explanation of the reason you need your license reactivated, along with your license ID and invoice number, and we will be happy to get you squared away in under two business days --------------------------- 2) This Device (Intel(R)HD Graphics) does not appear to support DirectX 11 Please go through these steps one by one to help resolve this I) Confirm your dedicated graphics card is set to properly execute Prepar3D, Please see step (C) in the Topic above. II) Disable any Integrated graphics card you may have In windows Device Manager or in the system BIOS III) Update or reinstall your graphics driver, follow step (K) for additional Information IV) Download and Install DirectX End-User Runtimes, follow step (M) for Instructions When you have completed your changes use the Delete Generated files command from step (F) and restart your computer Then launch Prepar3D and test --------------------------- 3) DXGI ERROR_DEVICE_HUNG \ Display driver has stopped responding and has recovered Update or Reinstall your graphics driver, Use a driver cleaning utility like DDU, follow step (K) for additional Information When you have completed your changes use the Delete Generated files command from step (F) and restart your computer Then launch Prepar3D and test --------------------------- 4) Prepar3d V4 Content and Or scenery not installed, Application will now close You will see this message if you are Installing the component Installers individually, Client, Content and Scenery You must Install all 3 components. Navigate to your Prepar3D downloads folder....... Right click on Install_Content.msi and click Install Right click on Install_Scenery.msi and click Install Then launch Prepar3D and test. --------------------------- 5) Prepar3D cannot run without a Valid Scenery.cfg file I) Insure you are logged into your windows user account as administrator Or Create an administrator user account and then log in II) Set up Prepar3D to run as administrator Like This III) Temporarily Disable all Antivirus Software and Windows Defender, Please see step (D) in the Topic above IV) Run the Delete Generated files command from step (F) Then launch Prepar3D and test. --------------------------- 6) Could not find scenery Area [xxx] local scenery director \ Remote directory Invalid This message is most likely from the left over's of a previous Prepar3D Install Run the Delete Generated files command from step (F) Then launch Prepar3D and test. --------------------------- 7) api.dll is missing from your computer You will most likely see this message if the Prepar3D desktop Icon, The Prepar3D.exe or any of the Core Client file's have become corrupt, missing or have been quarantined by your Antivirus Software. Please complete these 3 steps I) Temporarily Disable all Antivirus Software and Windows Defender, Please see step (C) and follow the Instructions II) Run a Repair on the Prepar3D Client, Navigate to the windows Control Panel, Right click on Prepar3D Client and click Repair III) Then navigate to your Prepar3D core folder right click on the Prepar3D.exe and run as administrator Note: Insure you then add the core Prepar3D folder to the Exclusions Zone of your Antivirus Software --------------------------- 😎 Prepar3D requires at least one each of the following to run: an airport This message is due to a corrupt scenery.cfg file, Most likely the left over's from a previous Prepar3D Install. Run the Delete Generated files command from step (F) Then launch Prepar3D and test --------------------------- 9) MFReadWrite.dll \ MFPlat.dll was not found You will see this message on a Windows N Version Operating system that requires the Media Feature Pack to run Prepar3D Download and Install the Media Feature Pack at the link below Then launch Prepar3D and test https://www.microsoft.com/en-us/software-download/mediafeaturepack --------------------------- 10) MSVCP140.dllVC \ Runtime140.dll \ concrt140.dll is missing or contains an error You will most likely see this message if Microsoft Visuals 2015 has become corrupt or is missing from your system I) Uninstall all versions of Microsoft visuals 2015 in the Control Panel "Programs and Features" II) Download and Install Microsoft Visuals 2015 (x64) and (x86) Follow step (H) for additional Information Then launch Prepar3D and test --------------------------- 11) MSVCP120.dll \ Runtime120.dll is missing or contains an error You will most likely see this message if Microsoft Visuals 2013 has become corrupt or is missing from your system I) Uninstall all versions of Microsoft visuals 2013 in the Control Panel "Programs and Features" II) Download and Install Microsoft Visuals 2013 (x64) and (x86) Follow step (H) for additional Information Then launch Prepar3D and test --------------------------- 12) D3Dcompiler_43.dll \ D3DX9_43.DLL not found These file's are contained in DirectX 11 which is a requirement to run Prepar3D Download and Install DirectX End-User Runtimes Follow step (M) for additional Instructions Then launch Prepar3D and test --------------------------- 13) Living World Settings In LWcfg.xml are Invalid This message is telling you that either the Propdefs folder is missing, corrupt or the LWcfg.xml file is corrupt Please complete these 2 steps I) Run a Repair on the Prepar3D Client, Navigate to the windows Control Panel, Right click on Prepar3D Client and click Repair II) Run the Delete Generated files command from step (F) Then launch Prepar3D and test --------------------------- 14) Could not find Scenery Area001's local scenery directory Most likely your default scenery files are either missing due to a bad Install or have become corrupt due to Add On's I) Run a Repair on the Prepar3D Scenery, Navigate to the windows Control Panel, Right click Install_Scenery.msi and click Repair II) Run the Delete Generated files command from step (F) --------------------------- 15) No Shader HLSL director found Try these steps one by one..... I) Run a Repair on Prepar3D Navigate to the windows Control Panel right click Prepar3D Academic \ Professional and click Change and click Repair Note: Insure you first disable your Antivirus Software, Your Firewall and the UAC (User Account Control) II) Run the Delete Generated files command from step (F) III) If you are still having Issues Uninstall and Reinstall Prepar3D again, Please follow step (O) for additional Instructions --------------------------- 16) Vehicle Initialization has failed for: F-22 Raptor Please complete these 2 steps I) Run the Delete Generated files command from step (F) II) If you are still seeing this message Repair the Content component, Navigate to the windows Control Panel, Right click on Prepar3D Content and click Repair Then launch Prepar3D and test --------------------------- 17) nvspcap64.dll is not a valid \ Not starting \ Not found Related to Nvidia's GeForce experience, Try these 2 steps First, Uninstall and then Reinstall Nvidia's GeForce experience If you are still having Issues Uninstall and Reinstall your Graphics driver, Please see step (K) for Instructions
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