How to solve the problem 'The program cannot be launched because of DLL errors in the system’?

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There can be several different reasons for errors related to DLL files. For example, malware corruption on the computer, damaged Windows registry, d3d12.dll file being deleted or misplaced, application errors, etc. Generally, you can try the following methods to resolve the issue:
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Solution 1： Try a clean installation of the graphics card driver and change a path to install D5 Render

Manually search for drivers:

  1. According to your specific hardware configuration, please select the appropriate graphics card driver. You can find multiple versions of the graphics card driver on the official NV website, allowing you to download the corresponding version.
  2. Double-click the downloaded driver to install it.
  3. Retain the default directory, click ok, and wait until the decompression is complete.
  4. Select Install "NVIDIA Graphics Driver ", click “Agree and continue”
  5. Select ‘‘Custom’’, click ‘‘Next’’
  6. Click ‘‘Perform Clean Installation’’, click Next
  7. After the installation is complete, restart the PC
    清洁安装驱动
    清洁安装驱动2480×2170 1.14 MB

Solution 2：Try to fix the issue by DXR Repairment tool Download link
Original proposal jumps: Use the System File Checker tool to repair missing or corrupted system files

Instructions:

  1. Type “cmd” in the Windows search bar, right-click, and select “Run as administrator” to open the Command Prompt window.
  2. Type the following command and press Enter (this operation may take a few minutes to complete):
    DISM.exe /Online /Cleanup-image /Restorehealth
  3. Type the following command and press Enter:
    sfc /scannow
    Note: Do not close this Command Prompt window until the verification is 100% complete.
  4. Once the sfc /scannow process is complete, the scan results will be displayed.

If the issue persists after following the previous steps, please provide a detailed description of the configuration and the troubleshooting steps you have taken in the dedicated support post on the forum. We will then follow up accordingly: Cannot solve the problem using the solutions provided ‘The program cannot be launched because of DLL errors in the system’ Thanks for understanding and support.

Yours Sincerely,
D5 Render

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this does not work, alllll of these does not work, please find a real solution for this issue.

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Sorry for your issue. Can you take a screenshot of the error popup for me? Also, if you’re having this problem after upgrading directly from 2.5, I’d recommend trying to download the 2.6 installer from our website and install it instead of updating directly. Also, you can try to change the path to install.

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ı have the same issue d5 render 2.6 with rtx4090 latest driver, windows 10 please create a solution

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Sorry for my late reply. Have your problem solved? Have you tried installing it in a different path or checking your RAM frequency settings?

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yes ı tried both what u have suggested and there is still the same warning, dll corruption.

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Please send your log file to us, we will check your problem. This post shows how to collect logs. D5 Support Tool - Get Help / Tech Support - D5 RENDER FORUM

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This is a formula that worked for me (and I have yet to find a different formula that would not produce this error) FWIW.

537.13 Nvidia
2.5.1.0319 D5
10.0.19041.3393 D3D12.dll

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