Open VLC player and go to Tools --- Preferences. Alternatively you can press Ctrl + P shortcut.

Some users have found saying that after disabling Hardware decoding their VLC player stuttering issue is solved. Follow the steps to disable hardware decoding:

Open VLC player and press CTRL + P--- show settings, select All
Go to the Input/Codes section--- Navigate Hardware-accelerated decoding and Disable it.

Exit VLC
Double click on This PC/My Computer
Click on the View tab and check for Hidden files
Open the directory:
C:\User\User_Name\AppData\Roaming\VLC
Right-click on the file named vlcrc and Rename it

Try Disabling Pre-loading MKV Files
Some Windows users have fixed there VLC media player keeps crashing issue by disabling the pre-loading MKV files. Follow the steps to do so:
Open VLC media player
Press CTRL + P to open preferences
At the bottom of the page select All--show settings
Expand the nodes given below:
Input/ Codecs

Demuxers
Matroska
Un-tick the Pre-load MKV files
Click Save.

Reinstall VLC player
If your VLC media player keeps crashing issue is not solved by any of the above-given solutions then try reinstalling VLC player to fix this issue.

Follow the steps to uninstall and reinstall VLC:
Press Windows + X key
Select Apps and Features
Select VLC media player and uninstall it
Reboot your computer
Re-install the VLC setup from the official website
Double-click on the installer and follow the instructions on the screen

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