Permissions issue 50 for Device Manager

It is not the setting in the sharing security inside the hard disk.

There are even two sharing settings in the share.

One of them uses simple sharing, and one doesn't.

Let's talk about not using simple sharing first: open my computer, click on the tool option, there is a folder option in it, check it in, find simple sharing, remove the hook inside, just don't use simple sharing, and then: my computer C disk, right-click, there is a sharing and security, change aaministrators to readable and writable full control, it's OK, as for using simple sharing.

It has nothing to do with what you said, if you are interested, you can research it yourself

Activate Device Manager permissions: Some applications need to activate Device Manager permissions in order to run better, and when this kind of program activates permissions, it cannot be uninstalled normally If you want to uninstall, you need to enter the Device Manager deactivation state, Settings - Location and Security - Select Device Manager, remember that this operation may be useful If there is no Device Manager, then this method will not activate the Device Manager permission.

Some applications need to activate the Device Manager permission in order to run better, and when this kind of program activates the permission, it cannot be uninstalled normally If you want to uninstall it, you need to enter the Device Manager deactivation state, Settings-Location and Security-Select Device Manager, remember that this operation may be useful If there is no Device Manager, then this method will not work.

It's NTFS format, right?

Do you see if you, the administrator, have full control over the C drive?

You can reset the permissions, right-click on the C drive - Share & Security - Security - select Account, and set it to full control.

Then click Advanced and check it"Override the permission items for all child objects with the items displayed here that can be applied to the sub-objects, and then click OK.

There will be a while for this reset, and you will have to wait patiently for a while.

Hope you can handle it.

Open the user group to view the permissions, and then check if there are any other usernames in the user.

1.Log in as an admin user and set it up accordingly.

2.If you are logged in by an administrator, it may be that the relevant DLL link is invalid, you can try to enter it in the start "Run"."regsvr32"or"c:\windows\system32\"Register manually.

for %%i in (c:\windows\system32\*.dll) do /s %%i

for %%i in (c:\windows\system32\*.ocx) do /s %%i

Press "F8" to enter "Safe Mode" when booting up, right-click "My Computer" and select "Management", select "Local Users and Groups" -> Users" -> right-click "Administrator", "Properties", then remove "Account Deactivated", and finally restart the computer and log in with the administrator account to see.

Try selecting Device Manager in the management tool.

Have you solved this problem? In my domain environment, opening device management also prompted me to say that I have no permissions.

It is estimated that the administrator user is maliciously restricted. Press F8 to enter safe mode with command line when booting up. Enter on the command line.

net localgroup administrators administrator /add

You can restore the administrator to the administrator group.

Under DOS, see if you can add this administrator account to the administrator group again, and also use the latest antivirus software to check and kill, create a new account to try, can you open it.

Create a new username. Set it up in the Administrators group. Log in with the new user.

It should be a rogue software, use a malware cleanup assistant or 360 security guard to kill it

That is, enter the C: Windows system32 directory, check whether there is a file, if you can't find the file, or click on the file damage information, then click "Run" in the "Start" menu, enter SFC ScanNow, the system will check whether there are system files that are damaged, read loose and repair the system files, you need to put in the Windows XP installation CD in this process, and restart after checking; In addition, you can also try to copy this file from another computer with the same operating system and put it into the corresponding directory to see if it can be solved. If it still doesn't work, you can also try to repair the system using a Windows XP installation disc.

Wow shirts. Since the file with the suffix msc is actually an XML file, it needs to be compiled by the msxml parser program in order for the system to recognize it, so when this problem occurs, you can also try to re-register the msxml parser to see if it solves the problem, by entering "regsvr32 c: windows system32" in the "run" dialog box, and then press enter.

Note: There are many such system application files in the system32 directory of Windows, such as the disk defragmentation tool that comes with the system, which is to call the system's local security policy and manage the system's computer. If something like "MMC cannot open *** file" appears.

This may be due to the fact that the file does not exist and is not an MMC console ......The information can be checked and repaired using the Windows file protection function of the system's built-in Tethered File Checker.

Note: If this problem occurs, the system may be infected with a virus (corresponding error message: the file does not exist, not an MMC console) or a Trojan horse (corresponding to the error message:

You don't have sufficient access to this file). It is recommended to check the system with the latest version of antivirus software to prevent viruses from damaging or deleting the file again.