If you suspect that a third-party antivirus program is causing problems with your computer, first check to see if Windows Defender (Microsoft’s built-in antivirus program) is disabled. Sometimes third-party antivirus programs interfere with Steam because online games use copyright protection features that trick antivirus programs into thinking they are malware. RAM problems can also cause problems when playing games. RAM problems can occur that interfere with Steam’s performance, especially during the installation process.
On the other hand, it could be caused by corrupt installation files, an outdated software version, or a server crash. If you run Steam and nothing happens, maybe your connection is slow or unstable. What causes the “Steam not opening” error on Windows 10 PC?
