Windows 10: Access denied on nearly all programs

I have a custom build windows 10 rig, and I've had it since november of 2021, recently I've had error messages stating "Windows cannot access the specified device, path, or file. You may not have the appropriate permissions to access the item." whenever I would try to install a game, or open files, even including task manager. I've tried editing the permissions of my account, which is an administrator account, yet I don't have permissions to do that either. I've tried restarting, updating, and switching accounts, but it still continues to happen. I've noticed that any file or application with

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LAPTOP is not accessible ..... Access is denied.

I am trying to share a folder on a LAPTOP. I have other a number of other systems that have folders Shared and they work fine, but with this one I get the error "LAPTOP is not accessible ..... Access is denied." when I try to access it from a different Win10 system. So I went thru the entire "How to Share Files and Folders Over a Network in Windows 10" tutorial step by step. File and Print Sharing is enabled, SMB1.0 client & server are running, and Everyone has Full Access to the Share. Still get the error. I have tried it with the Network Public and Private, with the same result. Any suggestions ?

Microsoft Windows 10 Home
Version 10.0.19042 Build 19042

 

Change Folder Destination access Denied

Thanks.

After following the steps suggested, I get the message "Access denied" in command prompt.

Please advise how to allow permission.

 

Access denied

Whenever I connect any pendrive or hard disk it says access denied for pen drive I googled got the solution for pendrive but I need to follow the steps everytime I connect give me the permanent solution and steps for hard drive access denied