Correggi l'errore di accesso negato di Windows Installer: ^{(Fix Windows Installer Access Denied Error: )} se stai riscontrando il messaggio di errore "Accesso negato" durante il tentativo di installare un nuovo programma su Windows 10 o se stai riscontrando un errore di ^{(Denied Error)}accesso negato a Msiexec.exe^{(Msiexec.exe Access)} , sei nel posto giusto come oggi risolveremo questo problema. La causa principale dell'errore sembra essere i file di Windows Installer danneggiati o danneggiati .

Quando si tenta di installare o disinstallare programmi da Windows 10 , è possibile che venga visualizzato uno dei seguenti messaggi di avviso:

Impossibile accedere al ^{(The Windows Installer Service could not be accessed)}
servizio Windows Installer ^{(Windows Installer Service couldn’t be started)}
Impossibile avviare il servizio Windows Installer Impossibile avviare il servizio Windows Installer sul computer locale. Errore 5: accesso negato.^{(Could not start the Windows Installer service on Local Computer. Error 5: Access is denied.)}

Per risolvere la causa alla base di questo problema, è necessario registrare nuovamente i file di Windows Installer o, talvolta, semplicemente riavviando i servizi di Windows Installer sembra risolvere il problema. Quindi, senza perdere tempo, vediamo come risolvere effettivamente l'errore di accesso negato di Windows Installer^{(Fix Windows Installer Access Denied Error)} con l'aiuto della guida elencata di seguito.

Correggi l'errore di accesso negato a Windows Installer^{(Fix Windows Installer Access Denied Error)}

Assicurati di  creare un punto di ripristino^{(create a restore point)} , nel caso qualcosa vada storto.

Metodo 1: riavviare il servizio di installazione di Windows^{(Method 1: Restart Windows Installer Service)}

1.Premere il tasto Windows + R, quindi digitare services.msc e premere Invio.

2.Trova il servizio Windows Installer,^{(Windows Installer service)} quindi fai clic con il pulsante destro del mouse su di esso e seleziona Proprietà.^{(Properties.)}

3.Fare clic su Avvia^(Start) se il servizio non è già in esecuzione.

4.Se il servizio è già in esecuzione, fare clic con il pulsante destro del mouse e selezionare Riavvia.^(Restart.)

5. Di nuovo provare a installare il programma che stava dando l'errore di accesso negato.

Metodo 2: registra nuovamente Windows Installer^{(Method 2: Re-register Windows Installer)}

1.Premere il tasto Windows Key + X , quindi selezionare Prompt dei comandi (amministratore).^{(Command Prompt (Admin).)}

2. Digita il seguente comando in cmd e premi Invio^(Enter) :

msiexec /unreg

msiexec /regserver

3.Riavvia il PC per salvare le modifiche.

4.Se il problema non viene risolto, premere il tasto Windows + R, quindi digitare quanto segue e premere Invio:

%windir%\system32

5. Individuare il file Msiexec.exe quindi annotare l'indirizzo esatto del file che sarebbe qualcosa del genere:

C:\WINDOWS\system32\Msiexec.exe

6.Premere il tasto Windows + R, quindi digitare regedit e premere Invio^(Enter) per aprire l' editor del registro^{(Registry Editor)} .

7. Passare alla seguente chiave di registro:

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\MSIServer

8.Selezionare MSIServer , quindi nel riquadro destro della finestra fare doppio clic su ImagePath.

9. Ora digita la posizione del file Msiexec.exe che hai annotato sopra nel campo dei dati del valore seguito da "/V" e l'intero aspetto sarebbe:

C:\WINDOWS\system32\Msiexec.exe /V

10.Avviare il PC in modalità provvisoria utilizzando uno dei metodi elencati qui.^{(methods listed here.)}

11.Premere il Windows Key + X , quindi selezionare Prompt dei comandi (amministratore).^{(Command Prompt (Admin).)}

12. Digitare il seguente comando e premere Invio^(Enter) :

msiexec /regserver

%windir%\Syswow64\Msiexec /regserver

13.Chiudi tutto e avvia il PC normalmente. Verifica se riesci a  correggere l'errore di accesso negato del programma di installazione di Windows^{(Fix Windows Installer Access Denied Error)} , in caso contrario continua con il metodo successivo.

Metodo 3: ripristinare il servizio Windows Installer^{(Method 3: Reset the Windows Installer Service)}

1.Apri Blocco note^(Notepad) , quindi copia e incolla quanto segue così com'è:

Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\msiserver]
"DisplayName"="@%SystemRoot%\\system32\\msimsg.dll,-27"
"ImagePath"=hex(2):25,00,73,00,79,00,73,00,74,00,65,00,6d,00,72,00,6f,00,6f,00,\
74,00,25,00,5c,00,73,00,79,00,73,00,74,00,65,00,6d,00,33,00,32,00,5c,00,6d,\
00,73,00,69,00,65,00,78,00,65,00,63,00,20,00,2f,00,56,00,00,00
"Description"="@%SystemRoot%\\system32\\msimsg.dll,-32"
"ObjectName"="LocalSystem"
"ErrorControl"=dword:00000001
"Start"=dword:00000003
"Type"=dword:00000010
"DependOnService"=hex(7):72,00,70,00,63,00,73,00,73,00,00,00,00,00
"ServiceSidType"=dword:00000001
"RequiredPrivileges"=hex(7):53,00,65,00,54,00,63,00,62,00,50,00,72,00,69,00,76,\
00,69,00,6c,00,65,00,67,00,65,00,00,00,53,00,65,00,43,00,72,00,65,00,61,00,\
74,00,65,00,50,00,61,00,67,00,65,00,66,00,69,00,6c,00,65,00,50,00,72,00,69,\
00,76,00,69,00,6c,00,65,00,67,00,65,00,00,00,53,00,65,00,4c,00,6f,00,63,00,\
6b,00,4d,00,65,00,6d,00,6f,00,72,00,79,00,50,00,72,00,69,00,76,00,69,00,6c,\
00,65,00,67,00,65,00,00,00,53,00,65,00,49,00,6e,00,63,00,72,00,65,00,61,00,\
73,00,65,00,42,00,61,00,73,00,65,00,50,00,72,00,69,00,6f,00,72,00,69,00,74,\
00,79,00,50,00,72,00,69,00,76,00,69,00,6c,00,65,00,67,00,65,00,00,00,53,00,\
65,00,43,00,72,00,65,00,61,00,74,00,65,00,50,00,65,00,72,00,6d,00,61,00,6e,\
00,65,00,6e,00,74,00,50,00,72,00,69,00,76,00,69,00,6c,00,65,00,67,00,65,00,\
00,00,53,00,65,00,41,00,75,00,64,00,69,00,74,00,50,00,72,00,69,00,76,00,69,\
00,6c,00,65,00,67,00,65,00,00,00,53,00,65,00,53,00,65,00,63,00,75,00,72,00,\
69,00,74,00,79,00,50,00,72,00,69,00,76,00,69,00,6c,00,65,00,67,00,65,00,00,\
00,53,00,65,00,43,00,68,00,61,00,6e,00,67,00,65,00,4e,00,6f,00,74,00,69,00,\
66,00,79,00,50,00,72,00,69,00,76,00,69,00,6c,00,65,00,67,00,65,00,00,00,53,\
00,65,00,50,00,72,00,6f,00,66,00,69,00,6c,00,65,00,53,00,69,00,6e,00,67,00,\
6c,00,65,00,50,00,72,00,6f,00,63,00,65,00,73,00,73,00,50,00,72,00,69,00,76,\
00,69,00,6c,00,65,00,67,00,65,00,00,00,53,00,65,00,49,00,6d,00,70,00,65,00,\
72,00,73,00,6f,00,6e,00,61,00,74,00,65,00,50,00,72,00,69,00,76,00,69,00,6c,\
00,65,00,67,00,65,00,00,00,53,00,65,00,43,00,72,00,65,00,61,00,74,00,65,00,\
47,00,6c,00,6f,00,62,00,61,00,6c,00,50,00,72,00,69,00,76,00,69,00,6c,00,65,\
00,67,00,65,00,00,00,53,00,65,00,41,00,73,00,73,00,69,00,67,00,6e,00,50,00,\
72,00,69,00,6d,00,61,00,72,00,79,00,54,00,6f,00,6b,00,65,00,6e,00,50,00,72,\
00,69,00,76,00,69,00,6c,00,65,00,67,00,65,00,00,00,53,00,65,00,52,00,65,00,\
73,00,74,00,6f,00,72,00,65,00,50,00,72,00,69,00,76,00,69,00,6c,00,65,00,67,\
00,65,00,00,00,53,00,65,00,49,00,6e,00,63,00,72,00,65,00,61,00,73,00,65,00,\
51,00,75,00,6f,00,74,00,61,00,50,00,72,00,69,00,76,00,69,00,6c,00,65,00,67,\
00,65,00,00,00,53,00,65,00,53,00,68,00,75,00,74,00,64,00,6f,00,77,00,6e,00,\
50,00,72,00,69,00,76,00,69,00,6c,00,65,00,67,00,65,00,00,00,53,00,65,00,54,\
00,61,00,6b,00,65,00,4f,00,77,00,6e,00,65,00,72,00,73,00,68,00,69,00,70,00,\
50,00,72,00,69,00,76,00,69,00,6c,00,65,00,67,00,65,00,00,00,53,00,65,00,4c,\
00,6f,00,61,00,64,00,44,00,72,00,69,00,76,00,65,00,72,00,50,00,72,00,69,00,\
76,00,69,00,6c,00,65,00,67,00,65,00,00,00,00,00
"FailureActions"=hex:84,03,00,00,00,00,00,00,00,00,00,00,03,00,00,00,14,00,00,\
00,01,00,00,00,c0,d4,01,00,01,00,00,00,e0,93,04,00,00,00,00,00,00,00,00,00

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\msiserver\Enum]
"0"="Root\\LEGACY_MSISERVER\\0000"
"Count"=dword:00000001
"NextInstance"=dword:00000001

2. Ora dal menu Blocco note, fai clic su File , quindi fai clic su Salva con nome.^{(Save As.)}

3.Dal menu a tendina Salva come^{(Save as)} selezionare Tutti i file.^{(All Files.)}

4. Denominare il file come MSIrepair.reg (l'estensione reg è molto importante).

5. Passare al desktop o al punto in cui si desidera salvare il file, quindi fare clic su Salva.^(Save.)

6. Ora fai clic con il pulsante destro del mouse sul file MSI repair.reg e seleziona Esegui come amministratore.^{(Run as Administrator.)}

7. Riavvia il PC per salvare le modifiche e verifica se sei in grado di  correggere l'errore di accesso negato di Windows Installer.^{(Fix Windows Installer Access Denied Error.)}

Metodo 4: reinstallare Windows Installer^{(Method 4: Reinstall Windows Installer)}

Nota: ^(Note:)applicato^(Applied) solo alla versione precedente di Windows

1.Premere il tasto Windows Key + X , quindi selezionare Prompt dei comandi (amministratore).^{(Command Prompt (Admin).)}

2. Digita il seguente comando in cmd e premi Invio^(Enter) dopo ciascuno:

cd %windir%\system32
attrib -r -s -h dllcache
ren msi.dll msi.old
ren msiexec.exe msiexec.old
ren msihnd.dll msihnd.old
exit

3. Riavvia il PC e quindi scarica Windows Installer 4.5 Redistributable dal sito Web Microsoft qui.^{(Microsoft website here.)}

4.Installare il pacchetto Redistributable e quindi riavviare il PC.

Consigliato:^{(Recommended:)}

• Rimuovere gli strumenti di amministrazione in Windows 10^{(Remove Administrative Tools in Windows 10)}
• Risolto il problema con l'Utilità di pianificazione interrotta in Windows 10^{(Fix Broken Task Scheduler in Windows 10)}
• Modifica i livelli critici della batteria su Windows 10^{(Change Critical Battery Levels on Windows 10)}
• Fix ffmpeg.exe ha smesso di funzionare^{(Fix ffmpeg.exe has stopped working error)}

Ecco fatto, hai risolto con successo l'errore di accesso negato a Windows Installer,^{(Fix Windows Installer Access Denied Error)} ma se hai ancora domande su questa guida, sentiti libero di chiederle nella sezione dei commenti.

Fix Windows Installer Access Denied Error

Fix Windows Installer Access Denied Error: If you are facing the error message “Access Denied” while trying to install a new program on Windows 10 or if you’re facing Msiexec.exe Access is Denied Error then you are at the right place as today we are going to fix this issue. The main cause of the error seems to corrupted or damaged Windows Installer files.

When you try to install or uninstall programs from Windows 10, you may get any one of the following warning messages:

The Windows Installer Service could not be accessed
Windows Installer Service couldn’t be started
Could not start the Windows Installer service on Local Computer. Error 5: Access is denied.

In order to fix the underlying cause of this problem, we need to re-register Windows Installer files or sometimes by simply restarting Windows Installer services seems to fix the issue. So without wasting any time let’s see how to actually Fix Windows Installer Access Denied Error with the help of the below-listed guide.

Fix Windows Installer Access Denied Error

Make sure to create a restore point, just in case something goes wrong.

Method 1: Restart Windows Installer Service

1.Press Windows Key + R then type services.msc and hit Enter.

2.Find Windows Installer service then right-click on it and select Properties.

3.Click on Start if the service is not already running.

4.If the service is already running then right-click and select Restart.

5.Again try to install the program which was giving access denied error.

Method 2: Re-register Windows Installer

1.Press Windows Key + X then select Command Prompt (Admin).

2.Type the following command into cmd and hit Enter:

msiexec /unreg

msiexec /regserver

3.Reboot your PC to save changes.

4.If the issue is not resolved then press Windows key + R then type the following and hit Enter:

%windir%\system32

5.Locate the Msiexec.exe file then note down the exact address of the file which would be something like this:

C:\WINDOWS\system32\Msiexec.exe

6.Press Windows Key + R then type regedit and hit Enter to open Registry Editor.

7.Navigate to the following registry key:

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\MSIServer

8.Select MSIServer then in the right window pane double-click on ImagePath.

9.Now type the location of the Msiexec.exe file which you noted above in the value data field followed by “/V” and the whole thing would look like:

C:\WINDOWS\system32\Msiexec.exe /V

10.Boot your PC into safe mode using any of the methods listed here.

11.Press Windows Key + X then select Command Prompt (Admin).

12.Type the following command and hit Enter:

msiexec /regserver

%windir%\Syswow64\Msiexec /regserver

13.Close everything and boot your PC normally. See if you’re able to Fix Windows Installer Access Denied Error, if not then continue with the next method.

Method 3: Reset the Windows Installer Service

1.Open Notepad then copy & paste the following as it is:

Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\msiserver]
"DisplayName"="@%SystemRoot%\\system32\\msimsg.dll,-27"
"ImagePath"=hex(2):25,00,73,00,79,00,73,00,74,00,65,00,6d,00,72,00,6f,00,6f,00,\
74,00,25,00,5c,00,73,00,79,00,73,00,74,00,65,00,6d,00,33,00,32,00,5c,00,6d,\
00,73,00,69,00,65,00,78,00,65,00,63,00,20,00,2f,00,56,00,00,00
"Description"="@%SystemRoot%\\system32\\msimsg.dll,-32"
"ObjectName"="LocalSystem"
"ErrorControl"=dword:00000001
"Start"=dword:00000003
"Type"=dword:00000010
"DependOnService"=hex(7):72,00,70,00,63,00,73,00,73,00,00,00,00,00
"ServiceSidType"=dword:00000001
"RequiredPrivileges"=hex(7):53,00,65,00,54,00,63,00,62,00,50,00,72,00,69,00,76,\
00,69,00,6c,00,65,00,67,00,65,00,00,00,53,00,65,00,43,00,72,00,65,00,61,00,\
74,00,65,00,50,00,61,00,67,00,65,00,66,00,69,00,6c,00,65,00,50,00,72,00,69,\
00,76,00,69,00,6c,00,65,00,67,00,65,00,00,00,53,00,65,00,4c,00,6f,00,63,00,\
6b,00,4d,00,65,00,6d,00,6f,00,72,00,79,00,50,00,72,00,69,00,76,00,69,00,6c,\
00,65,00,67,00,65,00,00,00,53,00,65,00,49,00,6e,00,63,00,72,00,65,00,61,00,\
73,00,65,00,42,00,61,00,73,00,65,00,50,00,72,00,69,00,6f,00,72,00,69,00,74,\
00,79,00,50,00,72,00,69,00,76,00,69,00,6c,00,65,00,67,00,65,00,00,00,53,00,\
65,00,43,00,72,00,65,00,61,00,74,00,65,00,50,00,65,00,72,00,6d,00,61,00,6e,\
00,65,00,6e,00,74,00,50,00,72,00,69,00,76,00,69,00,6c,00,65,00,67,00,65,00,\
00,00,53,00,65,00,41,00,75,00,64,00,69,00,74,00,50,00,72,00,69,00,76,00,69,\
00,6c,00,65,00,67,00,65,00,00,00,53,00,65,00,53,00,65,00,63,00,75,00,72,00,\
69,00,74,00,79,00,50,00,72,00,69,00,76,00,69,00,6c,00,65,00,67,00,65,00,00,\
00,53,00,65,00,43,00,68,00,61,00,6e,00,67,00,65,00,4e,00,6f,00,74,00,69,00,\
66,00,79,00,50,00,72,00,69,00,76,00,69,00,6c,00,65,00,67,00,65,00,00,00,53,\
00,65,00,50,00,72,00,6f,00,66,00,69,00,6c,00,65,00,53,00,69,00,6e,00,67,00,\
6c,00,65,00,50,00,72,00,6f,00,63,00,65,00,73,00,73,00,50,00,72,00,69,00,76,\
00,69,00,6c,00,65,00,67,00,65,00,00,00,53,00,65,00,49,00,6d,00,70,00,65,00,\
72,00,73,00,6f,00,6e,00,61,00,74,00,65,00,50,00,72,00,69,00,76,00,69,00,6c,\
00,65,00,67,00,65,00,00,00,53,00,65,00,43,00,72,00,65,00,61,00,74,00,65,00,\
47,00,6c,00,6f,00,62,00,61,00,6c,00,50,00,72,00,69,00,76,00,69,00,6c,00,65,\
00,67,00,65,00,00,00,53,00,65,00,41,00,73,00,73,00,69,00,67,00,6e,00,50,00,\
72,00,69,00,6d,00,61,00,72,00,79,00,54,00,6f,00,6b,00,65,00,6e,00,50,00,72,\
00,69,00,76,00,69,00,6c,00,65,00,67,00,65,00,00,00,53,00,65,00,52,00,65,00,\
73,00,74,00,6f,00,72,00,65,00,50,00,72,00,69,00,76,00,69,00,6c,00,65,00,67,\
00,65,00,00,00,53,00,65,00,49,00,6e,00,63,00,72,00,65,00,61,00,73,00,65,00,\
51,00,75,00,6f,00,74,00,61,00,50,00,72,00,69,00,76,00,69,00,6c,00,65,00,67,\
00,65,00,00,00,53,00,65,00,53,00,68,00,75,00,74,00,64,00,6f,00,77,00,6e,00,\
50,00,72,00,69,00,76,00,69,00,6c,00,65,00,67,00,65,00,00,00,53,00,65,00,54,\
00,61,00,6b,00,65,00,4f,00,77,00,6e,00,65,00,72,00,73,00,68,00,69,00,70,00,\
50,00,72,00,69,00,76,00,69,00,6c,00,65,00,67,00,65,00,00,00,53,00,65,00,4c,\
00,6f,00,61,00,64,00,44,00,72,00,69,00,76,00,65,00,72,00,50,00,72,00,69,00,\
76,00,69,00,6c,00,65,00,67,00,65,00,00,00,00,00
"FailureActions"=hex:84,03,00,00,00,00,00,00,00,00,00,00,03,00,00,00,14,00,00,\
00,01,00,00,00,c0,d4,01,00,01,00,00,00,e0,93,04,00,00,00,00,00,00,00,00,00

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\msiserver\Enum]
"0"="Root\\LEGACY_MSISERVER\\0000"
"Count"=dword:00000001
"NextInstance"=dword:00000001

2.Now from Notepad menu click File then click Save As.

3.From the Save as type drop-down select All Files.

4.Name the file as MSIrepair.reg (reg extension is very important).

5.Navigate to desktop or where you want to save the file and then click Save.

6.Now right-click on the MSI repair.reg file and select Run as Administrator.

7.Reboot your PC to save changes and see if you’re able to Fix Windows Installer Access Denied Error.

Method 4: Reinstall Windows Installer

Note: Only Applied to earlier version of Windows

1.Press Windows Key + X then select Command Prompt (Admin).

2.Type the following command into cmd and hit Enter after each one:

cd %windir%\system32
attrib -r -s -h dllcache
ren msi.dll msi.old
ren msiexec.exe msiexec.old
ren msihnd.dll msihnd.old
exit

3.Reboot your PC and then download the Windows Installer 4.5 Redistributable from Microsoft website here.

4.Install the Redistributable package and then reboot your PC.

Recommended:

• Remove Administrative Tools in Windows 10
• Fix Broken Task Scheduler in Windows 10
• Change Critical Battery Levels on Windows 10
• Fix ffmpeg.exe has stopped working error

That’s it you have successfully Fix Windows Installer Access Denied Error but if you still have any questions regarding this guide then feel free ask them in the comment’s section.

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