View source for Kdenlive/Manual/Windows Issues/en

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== Windows Issues ==

The current '''Kdenlive''' on Windows® (April 2019, version 19.04.0) has a few issues that have workarounds. The purpose of this wiki page is to document these issues and their workarounds.

=== JPG files appear as white picture after rendering ===

This issue should be solved with Windows version 19.04.0. If not convert the JPG to PNG and it renders correctly.

=== Play/Pause Issue ===

This issue is solved with Windows version 18.08.2 (30. Oct 2018). Get the current version from the [https://kdenlive.org/en/download/"download page"].

=== Qt rendering crash ===

When switching from kdenlive for windows 17.12 --> 18.04/18.08, a Qt rendering crash appears. To make sure this doesn't happen, you need to edit the <tt>kdenliverc</tt> file in the <tt>appdata</tt>. To access your appdata, press <keycap>Win + R</keycap> (<keycap>Windows</keycap> key and <keycap>R</keycap> key simultaneously) and type '''APPDATA''' (all caps). Go to <tt>local</tt> and within it rename <tt>kdenliverc</tt> to <tt>kdenliverc.old</tt>.

=== Any critical bug ===

This describes the process of doing a clean install on Windows®.

Firstly, delete your normal '''Kdenlive''' folder (containing the application)

Access the '''Appdata''' folder (<keycap>Win + R</keycap> and then type '''APPDATA''' in full caps). Go to <tt>local</tt> and search for folder <tt>kdenlive</tt>.

{{Note|If you have any saved effects or clips stored in your library, make a backup of the library folder.}}

Then once you have backup up your library folder, delete the <tt>kdenlive</tt> folder.

Reinstall the latest version of '''Kdenlive''' from the [https://kdenlive.org/en/download/"download page"]

=== Kdenlive cannot be deleted, running process on exit ===

This issue is solved with Windows version 18.12.1. Get the current version from the [https://kdenlive.org/en/download/"download page"].

If you want to reinstall '''Kdenlive''' or re-run '''Kdenlive''', it may tell you "The file or folder is open in another program". Windows® then won't let you delete or re-run '''Kdenlive'''.

To fix this you have to kill the running process: press and hold <keycap>Ctrl + Shift + Esc</keycap> & expand the task manager by clicking <menuchoice>all details</menuchoice>. Then find <tt>kdenlive.exe</tt> & <tt>dbus-daemon.exe</tt>, and click <menuchoice>End task</menuchoice> for both of them.

Or download the [[file:Kdenlive-kill.zip]]. Unpack it and just double-click the batch file which kills all running '''Kdenlive''' processes.

=== Kdenlive cannot be uninstalled ===

If the uninstaller doesn't work you can delete following folder: C:\Program Files\kdenlive .
You have to manually delete in the start menu the Kdenlive folder.

=== "Clip is invalid, will be removed" ===

This bug can appear if you do a clean reinstall of '''Kdenlive''' (see above). Simply close and open '''Kdenlive''' once, and it should be fixed.

Additionally this can be a problem either with the "kdenliverc" file (see here [https://userbase.kde.org/Kdenlive/Manual/Windows_Issues#Qt_rendering_crash Qt rendering crash] ) or you have some mismatch in the "local" folder (see here [https://userbase.kde.org/Kdenlive/Manual/Windows_Issues#Any_critical_bug Any critical bug] ).

=== Kdenlive crash or green Monitor ===

Get all newest Windows® updates. Afterwards, update your graphic card driver and your sound card driver and your printer driver.
Some crashes could occur of incompatibility of the graphics card and sound card with the newest Windows®10 updates (18.09 update).
After you have updated the drivers re-start the computer and try again by starting <tt>kdenlive.exe</tt>.

If this is not solving the problem switch your standard printer to “Microsoft XPS Document Writer” and try again to start Kdenlive.

Delete the “Kdenliverc” file as descript here under [https://userbase.kde.org/Kdenlive/Manual/Windows_Issues#Qt_rendering_crash Qt rendering crash]

Make sure you set processing thread to 1: CTRL+SHIFT+, (comma) -> environment -> Processing thread -> set to 1

=== Windows 10: timeline stuttering or Kdenlive hangs.  ===

Most probably you got a major Win10 update (i.e 1809). If so you have to update all drivers for audio and video.   
    
Intel driver can be updated with this updater: https://downloadcenter.intel.com/en/download/28425/Intel-Driver-Support-Assistant.

== General Issues ==

The current '''Kdenlive''' version (November 2018, version 18.08.3) has a few issues that have workarounds. 

=== Audio Pops and Ticks in Render ===

If this problem appears make sure the audio file is: 16-bit PCM WAV. 

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