Which version of Office are you using?
Per my research, please create the following folder and add full control permissions for the relevant users.
- For 64-bit Windows:
C:\Windows\SysWOW64\config\systemprofile\Desktop - For 32-bit Windows:
C:\Windows\System32\config\systemprofile\Desktop
For more information, please refer to the method in this similar thread.
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Hope the information is helpful to you.
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