Adding audio scatters my video clips

[dazecutr]

Why does adding audio scatter my video into little pieces?  This is a 20 year old program and nobody is trying to fix this.

It's ridiculous.

[borate]

Unfamiliarity can be at the root of the issue.  If audio and video are linked, one will affect the other.  If unlinked, then locking the 'other' track is often a simple solution.

What version is being used, and please be specific on what you see;  there's considerable difference between the 6, 7 and 8 versions.

Share your project and someone will work with you to solve the issue. The is easy, takes little time and can be private.  Don't upload the export, just the project folder.

1. With your project on the timeline, click the 3-lined 'hamburger' menu, top-left.  Click FILE | BACK UP PROJECT FILES TO FOLDER.  Specify a folder.  Click SELECT FOLDER.
2.  Using the PC file manager, go to where the numbered folder was saved and upload it to a free server - Google Drive, MS OneDrive, etc.*
3.  Get a shared, public, non-restricted link.
4.  Paste that link here, or click the folder, above top-right in this forum, and message it to me.  This is private and won't be shared.
*    Before uploading, right-click the folder, click PROPERTIES.  Look at the File Size to confirm that it's not too big for the free space on the server.