Догадался заглянуть в консоль, а там такое чудо:
View In Browser plugin v2.0.0, Python 3
Traceback (most recent call last):
File "C:\Program Files (x86)\Sublime Text 3\sublime_plugin.py", line 574, in run_
return self.run(edit)
File "ViewInBrowserCommand in C:\Users\Кирилл\AppData\Roaming\Sublime Text 3\Installed Packages\View In Browser.sublime-package", line 201, in run
File "ViewInBrowserCommand in C:\Users\Кирилл\AppData\Roaming\Sublime Text 3\Installed Packages\View In Browser.sublime-package", line 176, in loadPluginSettings
File "ViewInBrowserCommand in C:\Users\Кирилл\AppData\Roaming\Sublime Text 3\Installed Packages\View In Browser.sublime-package", line 85, in getBaseCommand
File "ViewInBrowserCommand in C:\Users\Кирилл\AppData\Roaming\Sublime Text 3\Installed Packages\View In Browser.sublime-package", line 67, in expandWindowsUserShellFolder
File "ViewInBrowserCommand in C:\Users\Кирилл\AppData\Roaming\Sublime Text 3\Installed Packages\View In Browser.sublime-package", line 137, in getWindowsUserShellFolders
UnicodeEncodeError: 'ascii' codec can't encode characters in position 9-14: ordinal not in range(128)
Понятно, что из-за кириллицы в пути, но как это исправить?