wuauclt.exe is a application which is probably legit. So, if wuauclt.exe is on your laptop or desktop computer, it is probably ok, and will NOT cause problems. Even if your PC is virus-free, we still advise you to run a well-known antivirus with a good track record, in order to yourself yourself against potential security problems.
Usually, the default filename and folder where the application is stored is
C:\Windows\system32\wuauclt.exe.
The MD5 fingerprint for this file is ad1c29fe69583db518fe5afcedad339d.
This program is NOT registered as a Windows service. This is very good.
wuauclt.exe seems to have something to do with Windows SFC (System File Checker) or Windows File Protection.
This is a 64-bit executable. It runs using the full capacity of nowadays' computer processors.
wuauclt.exe is digitally signed. Nowadays the large majority of legit programs are digitally signed.
The digital signature extracted from wuauclt.exe verifies as ok. This is excellent.
Digital certificate name: Microsoft Windows
Certificate's issuer name: Microsoft Windows Verification PCA
This program does NOT have an uninstall command stored in registry.