# Build LidarView Problem
**URL:** https://discourse.paraview.org/t/build-lidarview-problem/5243
**Category:** LidarView, Lidar, and SLAM
**Created:** [September 2, 2020, 3:15am UTC](https://discourse.paraview.org/t/build-lidarview-problem/5243 "2020-09-02T03:15:13Z")
**Posts on this page:** 3
**Page:** 1
### Author:  [@debupt](https://discourse.paraview.org/u/debupt)
#### Post date: [September 2, 2020, 3:15am UTC](https://discourse.paraview.org/t/build-lidarview-problem/5243/1 "2020-09-02T03:15:13Z")
Current, I follow LidarView development [guideline](https://github.com/Kitware/LidarView/blob/master/Documentation/LidarView_Developer_Guide.md) to build software
Everything goes fine when I enter `make -j8`, it hangs there as the following screenshot
Does anyone know what happens it is?
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### Author:  [@lvauchier](https://discourse.paraview.org/u/lvauchier)
#### Post date: [September 2, 2020, 7:35am UTC](https://discourse.paraview.org/t/build-lidarview-problem/5243/2 "2020-09-02T07:35:58Z")
It looks like your build sticks in the downloading step, can it be that your internet connection is slow and struggles downloading the sources?
In order to be sure that the issue is coming from this step, you can try enter `make -j1` instead of `make -j8` in order to use only one thread and make sure there isn’t an issue somewhere else which would be hidden by logs from other threads.
In addition, the code on [https://github.com/Kitware/LidarView](https://github.com/Kitware/LidarView) is outdated and we are currently working on updating it, so please keep an eye on it in order to be able to use our new version when it comes out.
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### Author:  [@debupt](https://discourse.paraview.org/u/debupt)
#### Post date: [September 2, 2020, 7:38am UTC](https://discourse.paraview.org/t/build-lidarview-problem/5243/3 "2020-09-02T07:38:19Z")
thanks for reply
when can I use new version of LidarView4.0, I’m really looking forwarding to that