
Now that you are acutely aware of every scenario that might end up causing this particular issue, here’s a list of verified methods that other affected users have effectively used to get to the bottom of this problem: Method 1: Running Notepad++ as AdministratorĪs it turns out, one of the most common issues that might trigger this particular error code is an instance in which the Notepad++ application doesn’t have enough permissions to manage the installation of new plugins.Īs recommended by the official documentation, Notepad++ needs admin access in order to perform tasks that include modifying the original installation (the installation of new plugins falls into this category).ĭepending on your UAC ( User Account Settings), you can expect to see this issue occurring in instances where the Notepad++ application didn’t receive admin access. In this case, you can avoid the error by sideloading the plugins that you want to install.

The plugin cannot be installed conventionally – If you’re attempting to install a plugin via an external managed, chances are it’s failing because it’s not compatible with sideloading.As it’s been confirmed by a lot of affected users, you can resolve this problem by forcing admin access to the launcher.

