This command:
get-spfeature | FT -GroupBy Scope DisplayName,Id > c:\AllInstalledFeatures.txt
finds my feature among others:
Scope: Site
DisplayName Id
----------- --
PPSWorkspaceCtype f45834c7-54f6-48db-b7e4-a35fa470fc9b
V2VPublishedLinks f63b7696-9afc-4e51-9dfd-3111015e9a60
MySitePersonalSite f661430e-c155-438e-a7c6-c68648f1b119
PublishingSite f6924d36-2fa8-4f0b-b16d-06b7250180fa
DemoTools.XXXXXXXXXXXXXXXXX.Web.UI_D... f86e8054-7d18-465f-86d8-fa1486c9dc1a
But when I try to uninstall it via
Uninstall-SPFeature -Identity f86e8054-7d18-465f-86d8-fa1486c9dc1a -force
I get this message:
PS C:\Users\senglory> Uninstall-SPFeature -Identity f86e8054-7d18-465f-86d8-fa14
86c9dc1a -force
Uninstall-SPFeature : Cannot find a Feature object with Path or Id:
f86e8054-7d18-465f-86d8-fa1486c9dc1a in scope Local farm.
At line:1 char:1
+ Uninstall-SPFeature -Identity f86e8054-7d18-465f-86d8-fa1486c9dc1a -force
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
I'm stuck with it. Have no clue how to uninstall and get rid off this feature.