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--- support:pdotd:softwareissues [2022/10/31 13:34] – created dpatenaude
+++ support:pdotd:softwareissues [2022/10/31 13:41] (current) – dpatenaude
@@ Line 6: / Line 6: @@
 Using p.d over Remote Desktop can lead to a few issues if the host computer is not configured properly. Below are the most common issues and how to resolve them when using p.d in this scenario:
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 ==== LoadLibrary failed ====
-  * **Error:** "LoadLibrary failed with error <#>: The parameter is incorrect"
+  * **Error:** "LoadLibrary failed with error <#>: The parameter is incorrect".
+    * Note: the <#> may change, but in our experience the issue is typically error #87 or #126.
   * **Explanation:** The work station video drivers are not loading properly due to a RDP (Remote Desktop Protocol) connection. p.d requires OpenGL, but many older graphics drivers to not support OpenGL over RDP.
   * **Solution:**
     - Option 1: Have the user login at the actual work station an not use RDP.
     - Option 2: Update the video drivers. Recent (~2020) video driver updates may have included support for RDP OpenGL acceleration. In the past only workstation level graphics cards (e.g.: NVIDIA Quadro) supported OpenGL over RDP, but now other graphics cards (e.g.: NVIDIA GeForce) have been updated to also support this.
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 ==== Unstable p.d crashes AND/OR Missing CT Images and Structures ====
-  * **Error:** p.d may crash while performing specific tasks (e.g.: designing a bolus) and/or the CTs and structures are not displayed
+  * **Error:** p.d may crash while performing specific tasks (e.g.: designing a bolus) and/or the CTs and structures are not displayed.
   * **Explanation:** The work station may contain outdated libraries or drivers that conflict with the p.d library requirements.
   * **Solution:**
     - Option 1: Put p.d into Windows 7 compatibility mode. Open p.d and from the main menu open the "About p.d..." dialog and select the option to "Set Windows 7 Compatibility Mode".
     - Option 2: Right click the p.d executable, open the Properties option, select the  Compatibility tab, and set the executable to run in Windows 7 compatibility mode.
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