It is important to have enough disk space for the normal running of many apps and programs. Then you can check if the issue is fixed. Once Notepad++ is installed, right-click Notepad++ and select Run as administrator. You can follow the on-screen wizard to install Notepad++. After rebooting, open your browser and download the latest version of Notepad++. Delete all the files from the old installation of Notepad++. Then launch File Explorer and go to your Notepad++ installation folder. In the pop-up window, find and right-click Notepad++. Then type appwiz.cpl in the box and hit Enter. If you still can’t install Notepad++ plugins, you can try updating Notepad++ through the following steps. Once done, attempt to install Notepad++ plugins again. Right-click the Notepad++ icon and select Run as administrator. You can try fixing the “Notepad++ plugins fail to install” issue by running Notepad++ as an administrator. How to repair Notepad++ plugins not installing? You can try the following methods to fix this issue.

Besides, the outdated Notepad++ version, an issue with the Plugin Manager, or required transport layer security being disabled may also lead to this error. For instance, if your Notepad++ app doesn’t have insufficient privileges, you may be unable to install Notepad++ plugins. There are different causes of Notepad++ plugins not installing. Installation Error: Installation of Compare failed The most common error message is given as follows. You may see different error messages when Notepad++ plugins fail to install. After that, I am unable to install new or update existing plugins. I installed Notepad++ recently which came with the new plugin admin.

Use Plugin Manager to Install the Plugins Are you bothered by the same issue? If you are, you can try the methods listed in this post of MiniTool Partition Wizard to fix Notepad++ plugins not installing. Unable to install or update Notepad++ plugins? Some users reported that they failed to install any plugins on their Notepad++ installation.

Instal the new Notepad++ 8.5.6