The issue could arise from either a corrupt user profile or a virus/malware impersonating the legitimate Windows system process (csrss.exe). Regardless of the cause in your situation, rest assured that there are measures you can take to fix it. Before resolving the issue, first establish its root cause. Press Ctrl + Alt + Delete, open your Task Manager, and go to the Processes tab to view the number of csrss.exe processes currently running on your computer. If more than one csrss.exe process is running, especially with suspicious entries in the User name or Description fields, it’s highly likely that a virus or malware is the culprit.

If the culprit is a virus or malware:

If the user profile is corrupt:

If neither a virus, malware, nor another malicious file is the culprit, or if the previous method was ineffective, the issue might stem from a corrupted user profile. In this event, create a new user profile and remove the old one to resolve the problem and ensure that your computer’s csrss.exe process utilizes only a minimal amount of CPU and memory. Be sure to back up all data in your Documents folder and Desktop before deleting the user profile. Always safeguard important files before proceeding with this method.

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