The instructions below will completely eradicate all traces of uTorrent from the system.
This will solve the re-install problem.
Delete uTorrent registry leftovers.
Windows key + R > Type “regedit” > click OK
Once you open registry editor, click File > Export to make a backup
first before the deletion.
After you successfully back up the registry, locate the below registry
HKEY_LOCAL_MACHINE -> SOFTWARE -> uTorrentControl
HKEY_CURRENT_USER -> Software -> BitTorrent -> uTorrent
Right click on them and select delete.
Reboot your system once more.
Note: Editing registry can be dangerous, in order avoid unnecessary
troubles, please confirm twice about the registry keys you are about
to delete, and do remember to backup the registry first before any
SOURCE => Completely Remove uTorrent From PC
After you do all the above, check to make sure the .exe file was deleted.
Go to => C:\Users\your_name\AppData\Roaming\utorrent
If the folder is still on your PC see if the .exe file is in the folder. If not, delete the folder.
SOURCE => Locate/Remove The uTorrent.exe File