zotero's style is reset after the reboot

bdglsk

What plugin conflict is possible

dstillman

For problems with a plugin, you'll need to contact the plugin developer.

damnation

It's actually not clear what the issue is.
If you modified a citation style and it got overwritten, you most likely didn't change the ID and self link. It would just be overwritten. See https://www.zotero.org/support/dev/citation_styles/style_editing_step-by-step