One of these files is ‘wuapihost.exe’. It stands for (W)indows (U)pdate (API)(Host). It is an executable file digitally signed by Microsoft itself. Many users reported that their firewall blocked access to this executable which led to the question is this executable safe? Is it okay to allow to access? The answer to your question is yes and no. If you can digitally verify that the publisher is Microsoft itself, it means that the file is safe and will cause no harm to your computer. Follow the instructions down below to verify the executable. cd\ cd Users*USERNAME*\Desktop sigcheck.exe
sigcheck -v c:\windows\system32\wuapihost.exe
However, if the file isn’t digitally verified, it can be harmful to your system and computer. If it is causing high CPU/Disk usage, we advise that you perform a clean boot of your system and check if the error still persists. If it does, open your computer in safe mode and delete the file using administrator privileges. Following is the method to boot your computer into safe mode:
Note: Do note that all methods listed in this article are for information purposes only. Appuals doesn’t guarantee the integrity of your computer in any way. Perform all the above steps at your own risk. If you feel the executable in question is malware, perform antivirus scans as soon as possible.
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