Are all the File Types Enabled from Tools>Options>File Types tab?
If not, choose Select All>Apply>OK.
Otherwise try downloading the standard K-Lite audio and video codecs pack from:
which covers the vast majority of requirements.
OnePlus 5 review
Alice Saey's mesmerising animation for Dutch singer Mark Lotterman
iPad Pro 10.5in (2017) review
Comment booster votre iPhone ?