Solution to folder access failure and Access Denied

A solution for folder access failure and Access Denied: My computer suddenly cannot open many folders, and "Access Denied" is displayed ". Is it computer poisoning? Thank you for your help!
A: Sometimes we open a folder and the system prompts a dialog box indicating that the folder is not accessible. What is the problem? How can this problem be solved? The opinions and methods provided below

To solve this problem, you must first disable "simple file sharing" and then obtain the folder ownership.
Step 1. Disable "simple file sharing ":
1. Click start, and then click my computer ".
2. on the "Tools" menu, click "Folder Options" and then click the "View" tab.
3. Under advanced settings, click to clear the use simple file sharing (recommended) check box, and then click OK ".

Step 2. Right-click the folder you want to obtain ownership of, and then click "properties ".

Step 3. Click the "Security" tab and click "OK" in the "Security" message box (if any ".

Step 4. Click "advanced" and then click the "owner" tab.

Step 5. In the "name" list, click your user name. If you are logged on as an administrator, click "Administrator" or click the "Administrators" group. If you want to gain ownership of the folder content, click to select the "Replace sub-container and object owner" check box.

Step 6. Click OK ".

You may receive the following error message, in which folder is the name of the folder you want to gain ownership:
You do not have permission to read the contents of directory folder. Do you want to replace the directory permissions with permission s granting you full control? All permissions will be replaced if you press Yes .......................

Step 7. Click "yes.

Step 8. Click "OK", and then re-apply the permissions and security settings you want for the folder and its content.
How can I delete folders that can be accessed?
Remove the "use simple file sharing (recommended)" check box under the "View" tab of "Folder Options" in XP. "Access Denied" folder "properties"-> "security"-> "advanced"-> "owner"-> "current project owner" if it is similar to "s-1 -5-21-1528117516-2020809315-3846545974-1000 "code, "Change owner to" current Administrator Account, check "replace owner of sub-volume and object", and "OK ". Open the "Permissions" tab of "Advanced Security Settings", and select "inherit from parent ....,.. the explicitly defined project check box and the project that can use sub-objects displayed here .... "check box, click" OK ". After that, you can directly Delete the "Access Denied" folder. This method is useful for both WINXP and Vista.