Quick Answer
notepad++.exe is safe. Notepad++ is a lightweight, open-source text editor for Windows with syntax highlighting and a plugin system. It runs as a single GUI process, typically with low resource use.
Is it a Virus?
✔ NO - Safe
Must be in C:\Program Files\Notepad++ or C:\Program Files (x86)\Notepad++\notepad++.exe and have a valid signature.
Warning
Notepad++ usually runs as a single process
Multiple entries can appear if updater or specific plugins spawn helper processes.
Can I Disable?
✔ YES
Close the editor or prevent startup via Windows startup settings; disable auto-startup of the updater if installed.
What is notepad++.exe?
Notepad++ is a free, open-source text editor for Windows designed to replace the basic Notepad with a powerful editing environment. It supports syntax highlighting, code folding, macro recording, and a plugin system, all in a lightweight package that handles large files efficiently.
Notepad++ uses the Scintilla editing component on Win32, manages documents with a single GUI process, and leverages plugins for extended features. It supports UTF-8/Unicode, tabbed editing, and customizable syntax rules for numerous programming languages.
Quick Fact: Notepad++ began as a replacement for Notepad in Windows and gained popularity for its speed, extensibility, and wide language support.
Types of Notepad++ Processes
- Main Process: Primary GUI, editor core, menus, and tab management in notepad++.exe
- Plugin Host Process: Separates plugin execution to reduce editor crashes and improve stability
- Updater/Background Task: Optional background updater checks for newer Notepad++ builds
- Session/Autosave Helper: Background tasks for autosave and session restoration when enabled
Is notepad++.exe Safe?
Yes, notepad++.exe is safe when it's the legitimate file downloaded from notepad-plus-plus.org or delivered by a trusted installer.
Is notepad++.exe a Virus or Malware?
The legitimate Notepad++ is not malware. Malware may imitate names; verify the file location and signature to confirm authenticity.
How to Tell if notepad++.exe is Legitimate or Malware
- File Location:: Must be in
C:\Program Files\Notepad++\notepad++.exe or C:\Program Files (x86)\Notepad++\notepad++.exe. Any other path is suspicious.
- Digital Signature:: Right-click the executable → Properties → Digital Signatures. Should show signer 'Notepad++ Team' or 'Don Ho'.
- Resource Usage:: Normal background usage is low. Unusually high CPU or memory when idle is suspicious.
- Behavior:: Notepad++ should run only when you launch it or restore a session. Unexpected background activity warrants a security scan.
Red Flags: If notepad++.exe is in an unusual folder (Temp, AppData, System32), runs without launch, lacks a valid signature, or shows persistent high resource use, scan with antivirus and verify the source.
Why Is notepad++.exe Running on My PC?
Notepad++ runs when you open the editor, restore a previous session, or when a plugin or updater is active. It may also keep a background process for certain plugins or features you enabled.
Reasons it's running:
- Active Editing: You're actively editing a file; the main process handles the editor window and tabs.
- Session Restoration: Notepad++ reopens previously open documents on startup or after a crash, creating active processes.
- Plugin Activation: Plugins loaded via the Plugin Manager may run in separate contexts to isolate crashes.
- Auto-Save / Backup: Autosave and backup features may keep background tasks for quick recovery.
- Updater Checks: If the updater is installed, it may run periodic checks for new builds in the background.
Can I Disable or Remove Notepad++?
Yes, you can disable Notepad++. It’s safe to close Notepad++ when not in use, and you can uninstall it or prevent startup if desired.
How to Stop Notepad++
- Close All Notepad++ Windows: Exit Notepad++ completely before making changes.
- Prevent Startup: Task Manager → Startup tab → Disable Notepad++ if present.
- Disable Updater: If installed, disable the Notepad++ Updater in Settings or Task Scheduler.
- Disable Auto-Open of Last Session: Settings → Preferences → MISC/Files → Uncheck 'Remember current session for next use'.
- Stop Background Plugins: Close Notepad++ and disable plugins you don't need via Plugins → Plugin Admin.
How to Uninstall Notepad++
- ✔ Windows Settings → Apps → Notepad++ → Uninstall
- ✔ Control Panel → Programs → Uninstall a program → Notepad++ → Uninstall
- ✔ Delete remaining Notepad++ configuration if desired: C:\Users\<User>\AppData\Roaming\Notepad++
Common Problems: High CPU or Memory Usage
If notepad++.exe is consuming more resources than expected:
Common Causes & Solutions
- Large file or heavy syntax highlighting: Close large files or disable heavy syntax definitions for certain languages via Language menu; consider splitting large files.
- Resource-Heavy Plugins: Disable or remove plugins that run in the background via Plugins → Plugin Admin.
- Auto-Complete or Live Preview: Turn off or limit live preview or auto-completion options in Preferences.
- Outdated Version: Update Notepad++ to the latest version from notepad-plus-plus.org.
- Corrupted Configuration: Reset configuration by renaming or deleting the Notepad++ config files in AppData.
- Background Updater: Disable or uninstall the updater component if it contributes to resource usage.
Quick Fixes:
1. Quick Fixes:
2. 1. Close unused files and tabs to reduce editor footprint
3. Disable unused plugins via Plugins → Plugin Admin
4. Update Notepad++ to the latest release
5. Reset configuration if instability persists
6. Check Task Manager for background updater or plugin processes
Frequently Asked Questions
Is notepad++.exe a virus?
No, the legitimate notepad++.exe from notepad-plus-plus.org is not a virus. Ensure the file is located in C:\Program Files\Notepad++ or C:\Program Files (x86)\Notepad++ and is signed by the Notepad++ Team or Don Ho.
Where is Notepad++ installed by default?
Notepad++ typically installs to C:\Program Files\Notepad++ or C:\Program Files (x86)\Notepad++.exe depending on your system architecture.
Can Notepad++ run on startup or in the background?
Notepad++ can be configured not to start with Windows. It may run background tasks for updates or plugins if enabled, but you can disable these in Settings or Task Manager.
How do I uninstall Notepad++?
Use Windows Settings → Apps → Notepad++ → Uninstall, or Control Panel → Programs → Uninstall a program → Notepad++. You can remove residual config files manually if desired.
Does Notepad++ support plugins and syntax highlighting?
Yes. Notepad++ supports a wide range of plugins and extensive syntax highlighting for many languages. Manage plugins via Plugins → Plugin Admin and configure language syntax in the Language menu.
Is Notepad++ safe to download from official sources?
Yes. Download Notepad++ only from the official site notepad-plus-plus.org or trusted package managers. Verify the digital signature and that the installer is current.