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I bought a new laptop with an Nvidia GeForce 4070 GPU and an I7 12700 CPU. After installing Microsoft Office products, the service sppsvc stopped working as a result the Office apps raised the error "Office needs repair" and then after clicking on repair like online or offline, nothing happened.

I tried to restart the mentioned service and I encountered the following error:

enter image description here

I decided to try anyway to start again that service and resolve the given error.

The summary of my attempts after many reinstalling of wnidows from scratch:

  1. I disable Driver Signature Enforcement via recovery.

  2. I changed the value of the key InactivityShutdownDelayComputer at \HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\SoftwareProtectionPlatform.

  3. I checked Task Scheduler to find a task relevant to it but there is nothing to do.

  4. I installed the latest updates.

Any idea to solve this problem is appreciated do.

End Anti-Semitic Hate
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MR_
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    How did you come to the conclusion that this is the cause and not merely another symptom? – u1686_grawity Jan 13 '24 at 18:19
  • Due to suddenly Office says: needs to repair (license disappeared) and after a restart also sound not working and many apps disappeared. – MR_ Jan 13 '24 at 18:32
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    Yeah, no, that all sounds like just a symptom of general corruption. The service handles Office licensing – it can't make audio disappear. – u1686_grawity Jan 13 '24 at 18:34
  • Currently I can't find, but a site said that sound troubles have direct relation with sppsvc service – MR_ Jan 13 '24 at 18:35
  • @MR_ - That information was incorrect – Ramhound Jan 13 '24 at 22:12
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    You bought a new laptop. It has serious issues. Return it. If you try to fix something and make it worse, it might violate any warranty. Remove personal data before retruning it. – DrMoishe Pippik Jan 14 '24 at 00:22
  • @MR_ Driver Signature Enforcementshould never be disabled - it's for driver devs only, If a driver's signature is corrupt, the driver should never be allowed to run because it's been tampered with or its download was corrupted. Did the Microsoft Office installer get downloaded directly from Microsoft's site? It sounds like the laptop is infected with malware and I'd treat it as such - exchanging it would be safest, else download a firmware update directly from the OEM's site, flash the motherboard's firmware, boot a Windows installUSB, wipe the drives, then reinstall Windows – JW0914 Jan 20 '24 at 12:45
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    The sppsvc service cannot have a bad digital signature. It seems like it was corrupted or replaced. Try to test Windows integrity by running the commands Dism /Online /Cleanup-Image /RestoreHealth and then sfc /scannow and also run a deep antivirus scan. – harrymc Jan 20 '24 at 19:21

1 Answers1

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The Software Protection service (sppsvc) cannot have a bad digital signature. It's a major part of Windows and is defined as:

Enables the download, installation and enforcement of digital licenses for Windows and Windows applications. If the service is disabled, the operating system and licensed applications may run in a notification mode. It is strongly recommended that you not disable the Software Protection service.

In sort, it's one of the first protections that a virus needs to disable when it takes over a Windows system.

There is a very good chance that your computer is infected.

As a first measure, I suggest to test Windows integrity and perhaps somewhat fix Windows by running the commands Dism /Online /Cleanup-Image /RestoreHealth followed by sfc /scannow and by doing deep antivirus scans by more than one vendor (only download from the vendor's website).

If this is not enough, the re-installation of Windows will be required.

For more information, see the post
How can I remove malicious spyware, malware, adware, viruses, trojans or rootkits from my PC?

harrymc
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