If you’re seeing "Error 000023" or similar issues, a fresh driver install from the official Epson Support Page often replaces a corrupted file [21]. Run a Security Scan:
Since cesu4650.exe is not a standard Windows file (not part of OS, not a known legitimate software binary like svchost.exe or chrome.exe ), this report assumes the file was found in a suspicious context (e.g., Temp folder, AppData , or unexpected ProgramData location). cesu4650.exe
Ensure your OS is up to date, as driver conflicts often arise from outdated system files. If you’re seeing "Error 000023" or similar issues,
Open Command Prompt as Admin and run netstat -ano | findstr "cesu4650.exe" . If the process shows established connections to unknown IP addresses (especially outside your country), it may be a backdoor. Open Command Prompt as Admin and run netstat
Sometimes malware hides the actual .exe but leaves a process name in Task Manager. In that case:
If you've noticed unusual system behavior or pop-ups around the time you became aware of this file, it could be a sign that the file is malicious.