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If you find that your laptop is slowing down to crawl without change and your CPU usage increases to a high level of 100%, you should review the Windows processes running on your computer. One of them, vssvc.exe is also known to cause high disk or CPU usage.
The.exe extension of a file name displays an executable file. Executable files can be malware in some cases, and malware is known to take the names of other legitimate files. In this case, you must first search and find the vssvc.exe file by starting the search. If it is in the System32 folder and its properties indicate that it is a Microsoft Volume Shadow Copy Service file , then this is Microsoft’s legitimate process. But if it is in another folder, it may be malware.
vssvc.exe high disk usage problem
Shadow Copy Volume service manages and implements Shadow Copy Volume copies for backup and other purposes. If this service is stopped, hidden copies are not available for backup and backup may fail. If this service is disabled, not all services that explicitly depend on it are started. VSS helps you backup your system drive. Disabling this service may also cause some applications to lose functionality.
Volume Shadow Copy Service (VSS) usually does not consume many resources, but if you encounter problems with vssvc.exe, try these suggestions.
1] Disable system recovery and reactivate system recovery and see if this helps.
You can do this via Control Panel > System > System > System Protection.
2] Type services.msc in the Start Search box and press Enter to open Windows Service Manager. Locate and double-click the Volume Shadow Copy Service to open the Properties box. Stop service then restart. Or right-click and select Restart.
If this does not help, you can temporarily stop this service if it disrupts your work.
You can also use the Task Manager to accomplish this task.
If you are not using System Restore or Volume Shadow Copy, you can disable this service.
3] Run the system file scan to replace a possibly corrupted vssvc.exe file.
4] Open a high command prompt, type the following, and press Enter to perform the performance troubleshooting.
msdt.exe /id PerformanceDiagnostic
This troubleshooting helps the user adjust settings to improve operating system speed and performance. Here are some other suggestions to help you solve performance problems.
5] If nothing helps, you can use the Windows tool to reset Windows 10.
This article contains some general suggestions that might help you correct 100% disk usage under Windows 10.