If you think someone may be remotely accessing your Windows 10 PC, do not rely on one unfamiliar process or a burst of network traffic as proof. Check the remote-access features and software installed on the PC, review account activity and relevant logs, scan for malware, and secure your accounts if you find something you cannot explain.
How to Check for Remote Access on a Windows 10 Computer
No single screen can prove that nobody has remotely accessed a computer. The goal is to look for several kinds of evidence and then respond appropriately if they point to unauthorized access.
Step 1: Check Remote Desktop settings
Open Settings > System > Remote Desktop. If Remote Desktop is enabled and you never use it, turn it off and investigate why it was enabled.
Remote Desktop being enabled does not by itself prove that someone connected. It only tells you that this Windows remote-access feature may be available, depending on the edition, network, firewall, and account configuration.
Step 2: Look for remote-control software you recognize
Open Settings > Apps and review installed applications for remote-support or remote-control tools. Legitimate support tools can provide remote access when configured to do so.
Do not delete an unfamiliar program solely because its name is new to you. Search for the software publisher and determine whether it belongs to your employer, IT provider, hardware manufacturer, or another program you knowingly installed.
Step 3: Review running processes
Press Ctrl + Shift + Esc to open Task Manager. Look at running apps and background processes, but treat this as a clue rather than a verdict.
Windows normally runs many processes with unfamiliar names. A process you do not recognize is not automatically malware or evidence of a remote session.
Step 4: Review network activity
Task Manager and Resource Monitor can show programs using the network. Unexpected persistent network activity from an unknown application deserves investigation, but normal Windows services, cloud sync, browsers, updates, and security software can all generate traffic.
Step 5: Check relevant Windows logs
Open Event Viewer and review Windows Logs > Security if security auditing is available. Windows can record logon events, but the Security log should not be described as a perfect history of every possible remote-access method.
For Remote Desktop troubleshooting, Windows also maintains Remote Desktop Services-related logs. Log entries need context: a successful logon may be local, remote, scheduled, service-related, or otherwise legitimate depending on its logon type and the computer’s configuration.
Step 6: Run a security scan
Open Windows Security and run an appropriate Microsoft Defender scan. If you have a strong reason to suspect malware, use a more thorough scan option and keep the PC disconnected from unnecessary networks while you investigate.
Step 7: Secure your accounts if you find credible signs
If you find unauthorized remote-control software, unexplained account access, or malware, disconnect the PC from the network and secure important accounts from a different trusted device. Change compromised passwords, enable multi-factor authentication where available, and review account recovery information.
Signs That Deserve More Investigation
- A remote-control program you did not install or authorize.
- New Windows accounts or administrators you cannot explain.
- Security alerts or account sign-ins from unfamiliar locations or devices.
- Remote Desktop being enabled unexpectedly along with other suspicious changes.
- Malware detections associated with remote administration or credential theft.
A mouse moving unexpectedly or a computer waking on its own can be concerning, but neither proves remote access. Hardware problems, scheduled tasks, updates, and legitimate software can produce strange behavior too.
- Disconnect Wi-Fi or unplug Ethernet if doing so will not create a safety or business problem.
- Use another trusted device to change passwords for important accounts.
- Enable multi-factor authentication and sign out unknown sessions where the service provides that option.
- Scan the affected PC for malware.
- Remove unauthorized remote-access software or accounts only after identifying them.
- If the computer contains sensitive work data, contact the organization’s IT or security team before deleting evidence.
Windows 10 Support Note
Standard Windows 10 support ended on October 14, 2025. A PC that remains on Windows 10 without applicable extended security coverage carries increasing security risk. If the hardware supports Windows 11, upgrading should be part of the longer-term security plan.
Frequently Asked Questions
Does an unknown process mean someone is controlling my PC?
No. Windows and installed applications use many background processes. Investigate the file, publisher, path, and related software before drawing a conclusion.
Does network activity prove remote access?
No. Updates, browsers, cloud storage, security tools, and other legitimate programs all use the network.
Should I disable Remote Desktop?
If you do not use Remote Desktop, disabling it reduces an unnecessary remote-access surface. If it is required for work, secure it according to your organization’s configuration instead of simply turning it off.
Should I change my password immediately?
If you have credible evidence that an account or PC is compromised, change important passwords from a different trusted device and enable multi-factor authentication.
Can Event Viewer tell me everything that happened?
No. Event Viewer is useful evidence, but what gets logged depends on Windows auditing, the access method, and system configuration.
Summary
- Check Remote Desktop settings.
- Review installed remote-control software.
- Inspect running processes and network activity without assuming unfamiliar means malicious.
- Review relevant security and Remote Desktop logs.
- Run a malware scan.
- Secure accounts and disconnect the PC if you find credible evidence of unauthorized access.
Checking for remote access is an investigation, not a single checkbox. Combining Windows settings, installed software, logs, security scans, and account activity gives you a much more reliable picture than treating one unfamiliar process as proof that the computer has been hacked.
Matt Jacobs has been working as an IT consultant for small businesses since receiving his Master’s degree in 2003. While he still does some consulting work, his primary focus now is on creating technology support content for SupportYourTech.com.
His work can be found on many websites and focuses on topics such as Microsoft Office, Apple devices, Android devices, Photoshop, and more.