Changed WebVNC link in desktop_cloud_visualization.md and debuggers.md.

doc.zih.tu-dresden.de/docs/access/desktop_cloud_visualization.md

 # Desktop Cloud Visualization (DCV)
 
 NICE DCV enables remote accessing OpenGL 3D applications running on ZIH systems using the
-server's GPUs. If you don't need OpenGL acceleration, you might also want to try our [WebVNC](web_vnc.md)
-solution.
+server's GPUs. If you don't need OpenGL acceleration, you might also want to try our
+[WebVNC](graphical_applications_with_webvnc.md) solution.
 
 Look [here](https://docs.aws.amazon.com/dcv/latest/userguide/client-web.html) if you want to know
 if your browser is supported by DCV.

doc.zih.tu-dresden.de/docs/software/debuggers.md

@@ -80,7 +80,8 @@ derived types).
 -   Module to load before using: `module load ddt`
 -   Start: `ddt <executable>`
 -   If the GUI runs too slow over your remote connection:
-    Use [WebVNC](../access/web_vnc.md) to start a remote desktop session in a web browser.
+    Use [WebVNC](../access/graphical_applications_with_webvnc.md) to start a remote desktop
+    session in a web browser.
 -   Slides from user training: [Parallel Debugging with DDT](misc/debugging_ddt.pdf)
 
 ### Serial Program Example