Fixing “This Installation Is Forbidden by System Policy” Error in Windows 10
If you have tried to install software on
your windows you must be seen this message “this installation is forbidden by
system policy”. This error is a built-in windows protection system that follows
some policies and rules. It can protect you from unwanted software. Here we
find what is the root cause of this issue. Common Causes:
1) User Account Restrictions
Your Windows account might not have administrator privileges, that's why system preventing you from installing certain software.
2) Group Policy Settings
Some Windows settings especially in working place like offices or school it blocked software installation for some security reasons.
3) Windows Installer Restrictions
Windows Installer may be restricted and does not allow installations.4) Corrupted Registry Entries
Improperly or corrupted configured registry keys can stop installation permissions.
5) Third-Party Security Software
Sometimes overprotective antivirus or security programs can create this error.
Solutions to Fix the Error
1) Run the Installer as Administrator
* Right-click the setup file.
* click on Run as administrator.
* confirm the User Account Control.
2) Check Group Policy Settings
* Press Windows + R, type gpedict.msc, and hit enter
* Navigate to:
Computer Configuration then Administrative Templates then Windows Components then Windows Installer.
* Look for “Prohibit non-administrators from applying vendor-signed updates” or “Disable Windows Installer”.
* Set these to "Not Configured or Disabled".
* Restart your PC.
3) Modify the Windows Registry
Caution: Editing the registry incorrectly can occur system problems.
* Press Windows + R, type regedit , and press enter
* Navigate to:
HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\Installer
* Find and delete the key named DisableMSI
* Restart your system.
4) Enable Windows Installer Service
* Press Windows + R, type services.msc , and hit the enter
* Find Windows Installer in the list.
* Double-click it, set Startup type to Manual, and click on Start.
5) Temporarily Disable Security Software
Disable security software while installation.
* Always use an administrator account when installing the software.
* Download programs from trusted and verified sources.
* Keep your system updated to prevent from compatibility issues.
* Avoid unnecessary changes in Group Policy and Registry unless required.