Archive:Kdenlive/Manual/Windows Issues: Difference between revisions

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Windows Issues

The current Kdenlive on Windows® (April 2020, version 20.04.0) has a few issues that have workarounds. The purpose of this wiki page is to document these issues and their workarounds.

Render problems

After rendering you get de-synced audio or wrong effects or black frames at end of the last clip: download version 20.08.1 or higher from the download page. If you still experience problems see Cannot open projects.

Audio crackling while playback

Hit CTRL + SHIFT + ,(comma), select Playback -> audio backend and play around with WinMM (Win7), Wasapi (Win10), DirectSound to see what give the best result.

This application failed to start because no Qt platform plugin could be initialized

Hit CTRL + SHIFT + ,(comma) → environment → make sure the paths point to the same path as "MLT profiles folder".

Download qt.conf. Put the file qt.conf into the "bin" folder (the folder where kdenlive.exe is)

First time use of Kdenlive

This issue should be solved with Windows version 19.04.2-6. That kdenliverc is correct set up please start Kdenlive twice (start -> close -> start). Then start your work.

Intel graphic card driver

Updated Intel graphic driver versions lead to a corrupted Kdenlive GUI.
Solution 1: Open Kdenlive. Move the mouse to the top. The menus are showing up. Try to reach Settings -> openGL backend -> enable OpenGLES/DirectX. Restart Kdenlive. This should solve your Intel graphic driver issue.
Maybe this statement helps: https://forum.kde.org/viewtopic.php?f=265&t=161309#p425882.

Solution 2: Press Win + R (Windows key and R key simultaneously) and type appdata. Go to local and within it open kdenliverc with an editor. Search for [misc] and delete [misc] and the following entry.
Example:
[misc] opengl_backend=15
Save and close kdenliverc. Restart Kdenlive.

Timeline: right-click menu close immediately after releasing mouse button

Don’t use the style Fusion.

Go to: Settings -> Style and choose Default or Windows.

Icons are missing

Go to: settings -> untick force breeze icon theme. Kdenlive restarts and you should see the icons.

Cannot open projects made with previous version, timeline snaps back, cannot import clip

Go to: Help -> Reset configuration.

If this is not solving the problem: Press Win + R (Windows key and R key simultaneously) and type appdata. Go to local and within it rename kdenliverc to kdenliverc.old. Start Kdenlive -> do nothing -> close Kdenlive -> and restart Kdenlive again.

If you have still problems delete proxy clips and other cached data by going to Project menu → Project Setting → Cache Data tab → there you can delete cached data.

If you have still problems try Any critical bug.

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.

"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 Cannot open projects) or you have some mismatch in the "local" folder (see here Any critical bug).

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 (Win + R and then type APPDATA in full caps). Go to local and search for folder kdenlive.

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 kdenlive folder.

Reinstall the latest version of Kdenlive from the download page

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 download page.

Qt rendering crash

Hit CTRL + SHIFT + ,(comma) → environment → make sure the paths point to the same path as "MLT profiles folder".

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 kdenliverc file in the appdata/local folder. To access your appdata, press Win + R (Windows key and R key simultaneously) and type appdata. Go to local and within it rename kdenliverc to kdenliverc.old.

Kdenlive cannot be deleted, running process on exit

This issue is solved with Windows version 18.12.1. Get the current version from the 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 Ctrl + Shift + Esc & expand the task manager by clicking all details. Then find kdenlive.exe & dbus-daemon.exe, and click End task 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.

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 kdenlive.exe.

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 Qt rendering crash.

Make sure you set processing thread to 1: Ctrl+Shift+, (comma) → Environment → Processing thread → set to 1

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.

@@ Line 1: / Line 1: @@
-== Windows Issues ==
+<languages/>
-The current Kdenlive on windows (September 2018, version 18.08.1) has a few issues that have workarounds. The purpose of this wiki page is to document these issues and their workarounds.
+<translate>
+== Windows Issues == <!--T:1-->
+<!--T:2-->
+The current '''Kdenlive''' on Windows® (April 2020, version 20.04.0) has a few issues that have workarounds. The purpose of this wiki page is to document these issues and their workarounds.
-=== Play/Pause Issue ===
+===Render problems=== <!--T:61-->
+After rendering you get de-synced audio or wrong effects or black frames at end of the last clip: download version 20.08.1 or higher from the [https://kdenlive.org/en/download download page]. If you still experience problems see [[Special:myLanguage/Kdenlive/Manual/Windows_Issues#Cannot_open_projects_made_with_previous_version|Cannot open projects]].
-Currently, if you use any method from playing the preview on Kdenlive for windows, the preview of your project will not play. This includes trying to use the spacebar, or trying to press the play button using your mouse.
-'''The quickest and easiest workaround''' is to use the '''Spacebar + Right arrow key'''. Press the spacebar and then press the right arrow key.
+===Audio crackling while playback=== <!--T:59-->
+Hit <keycap>CTRL + SHIFT + ,</keycap>(comma), select <menuchoice>Playback -> audio backend</menuchoice> and play around with <menuchoice>WinMM</menuchoice> (Win7), <menuchoice>Wasapi</menuchoice> (Win10), <menuchoice>DirectSound</menuchoice> to see what give the best result.
-If Kdenlive seems blocked hit CTR+Space. Now the play heat starts from beginning and you can click with the mouse into the timeline to play from there.
+===This application failed to start because no Qt platform plugin could be initialized=== <!--T:58-->
+Hit <keycap>CTRL + SHIFT + ,</keycap>(comma) &rarr; <menuchoice>environment</menuchoice> &rarr; make sure the paths point to the same path as "MLT profiles folder".
-Another option is to change the settings. To do this, go to '''Settings > Configure Kdenlive > Environment''' and change the ''process threads'' to 2 or above (this solves the bug but this block other functions).
+<!--T:63-->
+Download [https://bugs.kde.org/show_bug.cgi?id=415408 qt.conf]. Put the file <tt>qt.conf</tt> into the "bin" folder (the folder where <tt>kdenlive.exe</tt> is)
-=== QT rendering crash ===
+===First time use of Kdenlive=== <!--T:53-->
-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 ''kdenliverc'' file in the ''appdata''. To access your appdata, press '''Win + R''' (Windows key and R key simaltenously) and type '''APPDATA''' (all caps). Go to "local" and and within it rename ''kdenliverc'' to ''kdenliverc.old''.
+<!--T:54-->
+This issue should be solved with Windows version 19.04.2-6. That <tt>kdenliverc</tt> is correct set up please start Kdenlive twice (start -> close -> start). Then start your work.
-=== Any critical bug ===
+===Intel graphic card driver=== <!--T:55-->
-This describes the process of doing a clean install on windows.
-Firstly, delete your normal kdenlive folder (containing the application)
+<!--T:56-->
+Updated Intel graphic driver versions lead to a corrupted Kdenlive GUI.<br>
+'''Solution 1:''' Open Kdenlive. Move the mouse to the top. The menus are showing up. Try to reach <menuchoice>Settings</menuchoice> -> <menuchoice>openGL backend</menuchoice> -> enable <menuchoice>OpenGLES</menuchoice>/<menuchoice>DirectX</menuchoice>. Restart Kdenlive. This should solve your Intel graphic driver issue. <br>
+Maybe this statement helps: https://forum.kde.org/viewtopic.php?f=265&t=161309#p425882.<br> <br>
+<!--T:60-->
+'''Solution 2:''' Press <keycap>Win + R</keycap> (<keycap>Windows</keycap> key and <keycap>R</keycap> key simultaneously) and type '''appdata'''. Go to <tt>local</tt> and within it open <tt>kdenliverc</tt> with an editor. Search for <code>[misc]</code> and delete <code>[misc]</code> and the following entry. <br>Example:<br> <code>[misc]<br> opengl_backend=15</code><br> Save and close <tt>kdenliverc</tt>. Restart Kdenlive.
+===Timeline: right-click menu close immediately after releasing mouse button=== <!--T:50-->
+<!--T:51-->
+Don’t use the style <menuchoice>Fusion</menuchoice>.
+<!--T:52-->
+Go to: <menuchoice>Settings</menuchoice> -> <menuchoice>Style</menuchoice> and choose <menuchoice>Default</menuchoice> or <menuchoice>Windows</menuchoice>.
+===Icons are missing=== <!--T:44-->
+<!--T:45-->
+Go to: <menuchoice>settings</menuchoice> -> untick <menuchoice>force breeze icon theme</menuchoice>. Kdenlive restarts and you should see the icons.
+</translate><span id="Cannot open projects made with previous version"></span><translate>
+===Cannot open projects made with previous version, timeline snaps back, cannot import clip=== <!--T:46-->
+<!--T:62-->
+Go to: <menuchoice>Help</menuchoice> -> <menuchoice>Reset configuration</menuchoice>.
+<!--T:47-->
+If this is not solving the problem: Press <keycap>Win + R</keycap> (<keycap>Windows</keycap> key and <keycap>R</keycap> key simultaneously) and type '''appdata'''. Go to <tt>local</tt> and within it rename <tt>kdenliverc</tt> to <tt>kdenliverc.old</tt>. Start Kdenlive -> do nothing -> close Kdenlive -> and restart Kdenlive again.
+<!--T:48-->
+If you have still problems delete proxy clips and other cached data by going to <menuchoice>Project</menuchoice> menu &rarr; <menuchoice>Project Setting</menuchoice> &rarr; <menuchoice>Cache Data</menuchoice> tab &rarr; there you can delete cached data.
+<!--T:49-->
+If you have still problems try [[Special:myLanguage/Kdenlive/Manual/Windows_Issues#Any_critical_bug|Any critical bug]].
+=== Windows 10: timeline stuttering or Kdenlive hangs.  === <!--T:42-->
+<!--T:43-->
+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.
+=== "Clip is invalid, will be removed" === <!--T:21-->
+<!--T:22-->
+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.
+<!--T:41-->
+Additionally this can be a problem either with the <tt>kdenliverc</tt> file (see here [[Special:myLanguage/Kdenlive/Manual/Windows_Issues#Cannot_open_projects_made_with_previous_version|Cannot open projects]]) or you have some mismatch in the "local" folder (see here [[Special:myLanguage/Kdenlive/Manual/Windows_Issues#Any_critical_bug|Any critical bug]]).
+</translate><span id="Any critical bug"></span><translate>
+=== Any critical bug === <!--T:10-->
+<!--T:11-->
+This describes the process of doing a clean install on Windows®.
-Access the '''Appdata''' folder ('''WIn + R''' and then type '''APPDATA''' in full caps). Go to "local" and search for folder "Kdenlive". '''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 kdenlive folder.
+<!--T:12-->
+Firstly, delete your normal '''Kdenlive''' folder (containing the application)
-Reinstall the latest version of kdenlive from https://kdenlive.org/en/download/
+<!--T:13-->
+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>.
-=== Kdenlive cannot be deleted ===
+<!--T:14-->
+{{Note|If you have any saved effects or clips stored in your library, make a backup of the library folder.}}
-If you want to reinstall kdenlive, it may tell you "The file or folder is open in another program". Windows then won't let you delete kdenlive.
+<!--T:15-->
+Then once you have backup up your library folder, delete the <tt>kdenlive</tt> folder.
-To fix this, press and hold '''Ctrl + Shift + Esc''' & expand the task manager by clicking ''all details''. Then find ''kdenlive.exe'' & ''dbus-daemon.exe'', and click '''End task''' for both of them.
+<!--T:16-->
+Reinstall the latest version of '''Kdenlive''' from the [https://kdenlive.org/en/download download page]
-Or download the [[file:Kdenlive-kill.zip]]. Unpack it and just double click the batch file which kill all running Kdenlive processes.
+=== JPG files appear as white picture after rendering === <!--T:39-->
-=== "Clip is invalid, will be removed" ===
+<!--T:40-->
+This issue should be solved with Windows version 19.04.0. If not convert the JPG to PNG and it renders correctly.
-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.
+=== Play/Pause Issue === <!--T:3-->
-If this is not solving the problem follow: Any critical bug [[https://userbase.kde.org/index.php?title=Kdenlive/Manual/Windows_Issues&action=submit#Any_critical_bug]]
+<!--T:32-->
+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].
-=== Kdenlive crash ===
+</translate><span id="Qt rendering crash"></span><translate>
-On Windows 10: update your graphic card driver.
+=== Qt rendering crash === <!--T:8-->
-Some crashes could ocour of incompatibility of the graphic card with the newest Windows updates.
-After you have updated the driver re-start the computer and try again by starting Kdenlive.exe.
 <!--T:57-->
+Hit <keycap>CTRL + SHIFT + ,</keycap>(comma) &rarr; <menuchoice>environment</menuchoice> &rarr; make sure the paths point to the same path as "MLT profiles folder".
+<!--T:9-->
+When switching from kdenlive for windows 17.12 &rarr; 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/local</tt> folder. To access your appdata, press <keycap>Win + R</keycap> (<keycap>Windows</keycap> key and <keycap>R</keycap> key simultaneously) and type '''appdata'''. Go to <tt>local</tt> and within it rename <tt>kdenliverc</tt> to <tt>kdenliverc.old</tt>.
+=== Kdenlive cannot be deleted, running process on exit === <!--T:17-->
+<!--T:35-->
+This issue is solved with Windows version 18.12.1. Get the current version from the [https://kdenlive.org/en/download download page].
+<!--T:18-->
+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'''.
+<!--T:19-->
+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.
+<!--T:20-->
+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 === <!--T:36-->
+<!--T:37-->
+If the uninstaller doesn't work you can delete following folder: {{Path|C:\Program Files\kdenlive}}.
+You have to manually delete in the start menu the Kdenlive folder.
+=== Kdenlive crash or green Monitor === <!--T:24-->
+<!--T:25-->
+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>.
+<!--T:38-->
+If this is not solving the problem switch your standard printer to “Microsoft XPS Document Writer” and try again to start Kdenlive.
+<!--T:33-->
+Delete the <tt>kdenliverc</tt> file as descript here under [[Special:myLanguage/Kdenlive/Manual/Windows_Issues#Qt_rendering_crash|Qt rendering crash]].
+<!--T:34-->
+Make sure you set processing thread to 1: <keycap>Ctrl+Shift+, (comma)</keycap> &rarr; <menuchoice>Environment</menuchoice> &rarr; <menuchoice>Processing thread</menuchoice> &rarr; set to 1
+== General Issues == <!--T:26-->
+<!--T:27-->
+The current '''Kdenlive''' version (November 2018, version 18.08.3) has a few issues that have workarounds.
+=== Audio Pops and Ticks in Render === <!--T:28-->
+<!--T:29-->
+If this problem appears make sure the audio file is: 16-bit PCM WAV.
+<!--T:30-->
 {{Prevnext2
 | prevpage=Special:MyLanguage/Kdenlive/Manual/Tutorials | nextpage=Special:MyLanguage/Kdenlive/Manual/Projects_and_Files
-| prevtext=Tutorials | nexttext=Projects_and_Files
+| prevtext=Tutorials | nexttext=Project and File Management
 | index=Special:MyLanguage/Kdenlive/Manual | indextext=Back to menu
 }}
-<!--T:56-->
+<!--T:31-->
 [[Category:Tutorials]]
 [[Category:Kdenlive]]
 </translate>