How To Fix “The System Administrator Has Set Policies To Prevent This Installation”

The System Administrator Has Set Policies To Prevent This Installation is precisely what it seems like. This error pops up while you attempt to make application-related adjustments, however the administrator has imposed a restriction policy about doing so.

Modifying the Windows Installer Configuration by way of the native group policy editor is the easiest way to unravel this drawback, however there are a variety of different issues you may strive, in case that alone isn’t sufficient.

You’ll discover all the small print relating to the causes, and obligatory options, within the article beneath.

What Causes This Error

How to Fix This Error

Modifying the Windows Installer Policy Setting is the perfect repair for this problem, however there are a few easier options you may strive first. We suggest checking the fixes within the order listed beneath.

Install From Default Admin Account

An administrator account is created by default while you set up an OS. As this account has full management of the system, it’s often stored disabled for safety causes. But using it may be useful for points resembling the present error. Here’s how one can allow it by way of the command line:

1. Press Win + R, sort cmd, and press CTRL + Shift + Enter.
2. Type the next command and press Enter:
   web consumer administrator /energetic:sure
   
3. Sign out of your present account and log in to the Admin account.

Alternatively, you may also allow it with the steps listed beneath. But make word that this methodology doesn’t work for the house version of Windows.

1. Press Win + R, sort lusrmgr.msc, and press Enter. Note that this
2. Double click on on Users > Administrator.
3. Uncheck the Account is Disabled choice and press OK.
   
4. Sign out of your present account and log in to the Admin account.

Once you’ve logged in, use the Run as Admin choice while you launch the installer.

Set UAC to Never Notify

User Account Control (UAC)’s perform is to make sure that purposes don’t make any adjustments to the system with out the consumer’s approval. Normally, it does this job effectively, but when it’s malfunctioning, it may well prohibit you from performing duties resembling putting in applications.

In such circumstances, you may quickly disable UAC with the next steps:

1. Press Win + R, sort useraccountcontrolsettings, and press Enter.
2. Set the slider to Never Notify and Press OK.

If you continue to can’t carry out the set up, try the options beneath first. But as soon as the problem is resolved, we suggest setting UAC to the default setting, i.e., Notify me solely when apps attempt to make adjustments to my PC for safety causes.

Modify Windows Installer Policy Setting

The error itself states that The System Administrator Has Set Policies To Prevent This Installation. Thus, modifying the policy settings to not stop the set up will resolve the problem most often. Here are the steps to take action:

1. Log in to an administrator account.
2. Press Win + R, sort gpedit.msc, and press Enter.
3. Select Computer Configuration > Administrative Templates > Windows Components > Windows Installer.
4. Double click on the Turn off Windows Installer policy setting.
   
5. Select Enabled. In the choices part, choose Never from the drop-down menu.
   
6. Press OK to use the adjustments.
7. Back within the group policy editor, choose Windows Settings > Security Settings.
8. Right-click Software Restriction Policies and choose New Software Restriction Policies.
9. Double click on Enforcement. Under Apply software program restriction insurance policies to the next customers, choose All customers besides native directors, and press OK.
   
10. Close the native group policy editor.
11. Open Elevated Command Prompt and execute the next command:
    gpupdate /drive
12. Once the policy will get up to date, re-run the installer.

Delete Product Key by way of Registry Editor

A Windows Installer 2.0 Bug may trigger this error message should you’re making an attempt to reinstall or uninstall a beforehand put in utility. This could be mounted by deleting the product’s key from the registry. Here are the precise steps to do that:

1. Press Win + R, sort regedit, and press Enter.
2. Navigate to ComputerHKEY_CLASSES_ROOTInstallerProducts within the registry editor.
3. Click on a key to pick it and word its product title. Repeat this till you discover the product you’re making an attempt to change.
   
4. Once you discover the one you’re searching for, right-click the important thing and choose Delete.
5. Close the registry editor and take a look at should you can set up/uninstall now.

Disable Third-Party Antivirus

A extremely restrictive antivirus can intrude together with your system’s regular functioning in varied methods. In reality, this is among the most typical complaints in terms of antiviruses. To examine if the antivirus is inflicting this problem, you must quickly disable it with the steps listed beneath:

1. Right-click the antivirus’ icon from the taskbar and choose Turn off Protection or Disable.
   
2. Alternatively, launch the antivirus app and choose the same choice. This choice will likely be discovered both on the house display screen or underneath Settings > Advanced Settings.
3. Once it’s disabled, examine should you can set up with none points now.
4. If the antivirus seems to be the issue, you may both set more lenient guidelines, swap to a special antivirus, or simply use Windows Defender.