csrss.exe is a program which is most likely legit. So, if csrss.exe is on your system, it is most likely ok, and will NOT cause problems. Even if your PC is virus-free, it is still recommended to purchase a well-known antivirus with a good track record, in order to defend yourself against viruses and malware.
The default name and path where the program is stored is
The MD5 fingerprint for this file is 342271f6142e7c70805b8a81e1ba5f5c.
This program is NOT registered as a Windows service. This is very good.
csrss.exe seems to have something to do with Windows SFC (System File Checker) or Windows File Protection.
This exe runs as a 32-bit program. It does not benefit of the entire set of features of current computer CPUs. This ordinarily happens because the makers did not bother to upgrade it to use the x64 instruction set.
The description extracted from the exe is Client Server Runtime Process.
File version 6.1.7600.16385 (win7_rtm.090713-1255).
Publisher Microsoft Corporation.
Copyright notice © Microsoft Corporation. All rights reserved..
csrss.exe appears to have a visible user interface. This is good because it doesn't work in a kind of invisible mode. Its operation is clearly shown to the user.
csrss.exe has a digital signature. Today the large majority of virus-free software applications are digitally signed.
The digital signature extracted from csrss.exe is valid. This is very good.
Digital certificate name: Microsoft Windows
Certificate's issuer name: Microsoft Windows Verification PCA
This executable does NOT have an uninstall routine set up in registry.