Microsoft office Error code 3-4, while installing, updating, launching or uninstalling office 365, workplace 2016 and workplace 2013 suggests some essential issues related to the Microsoft Office program. There might be a number of reasons behind the occurrence of error code 3-4 for example firewall rules, Antivirus protect, platform file error, windows installer mistakes, network conflicts or might be on account of preinstalled copies of Office.

You may also understand the error code 3-4 while launching Microsoft Word, Excel, PowerPoint, Outlook, Visio, Access or Project as a consequence of upgrading your Microsoft Office or later updating the OS to windows 10. 

Following are a few of the actions to correct Error code 3-4, also it's suggested to follow the steps in the particular sequence and assess whether the matter is solved following each troubleshooting measure.

System File assessing or SFC Scan to correct Error code 3-4

System file checker instrument is a sophisticated mechanism to verify and check the corrupted and missing system files from the working system. This utility will allow the windows to scan and restore the missing/corrupted files.

When windows source security files are lost, your computer might not operate correctly and it might go malfunctioning like software installation may throw errors up, a computer can crash or restart often.

Follow the steps to conduct System file checker tool or sfc.exe

1. Click windows crucial

2. Look for command prompt or cmd

3. when the command prompt is available, type the following command and then click on the input.

The SFC /SCANNOW control will scan and confirm each of protected system files from the pc and restore the corrupted files using cached copy from the computer situated at%WinDir%\System32\dllcache that signifies windows system.

Create a temporary exclusion on Firewall or Antivirus to Repair Error Code 3-4

The Firewall or Antivirus installed on the pc may sometime discover and auto-delete implementation file of Microsoft Office as part of system safety in the background. The Office installer is an internet installation so as to give the latest features and upgrades in each installation.

The Antivirus applications like McAfee, Norton, Bit Defender, AVG, Kaspersky, Panda, Avast or Webroot installed in the pc functions as large security firewall in protecting against spyware, virus, Trojan horses and malware elements going into the computer from outside resources like net and external drives such USB and Ext HDD. This safety protection will check and check the contents out of the web. And if the security level is defined as Strong or High, it won't permit any implementation over the web for safety reasons. Therefore it may also block the internet installment of Microsoft Office 365 or even Office 2016 or even Office 2013.

After given are the measures to disable firewall or antivirus to Repair Error Code 3-4

a) To disable Windows Firewall:

1. Click begin button and choose control panel.

2. Just in search box kind anti-virus and Click Windows Firewall.

3. From the left sidebar, click Switch Windows firewall OFF or ON.

4. Click Switch OFF Firewall.

5. Assess whether Error code 3-4 is repaired when the firewall is switched OFF.

b) To disable McAfee Antivirus

1. Assess for McAfee sign icon on right side of the taskbar.

2. Right-click on the sign icon and Choose Actual Time scanning.

3. Click TURN OFF at real-time scanning alternative.

4. Select Firewall from McAfee navigation pane.

5. Click TURN OFF in anti-virus menu.

5. Assess whether Error code 3-4 is mended following disabling Antivirus.

c) To disable AVG Antivirus

1. Open AVG app and Click Advanced configurations alternative.

2. In the drop-down menu, then pick temporarily disable AVG security.

3. Pick the time to disable AVG.

4. Pick disable the anti-virus security and Click OK.

5. Assess whether Error code 3-4 is mended following disabling Antivirus.

d) To disable Norton Antivirus

1. Right-click that the Norton Antivirus icon in windows taskbar and click on Customize smart Firewall.

2. Click Disable Antivirus Auto-Protect.

3. Pick the time to disable the app.

4. Assess whether Error code 3-4 is mended following disabling Antivirus.

e) To disable BitDefender Antivirus

1. Double click on the BitDefender icon at the lower right corner of the desktop computer.

2. Click Virus shield on the left side.

3. Uncheck that the Virus shield Choice to turn off BitDefender.

4. Assess whether Error code 3-4 is mended following disabling Antivirus.

f) To disable Panda Antivirus

1. Open Panda Antivirus

2. Click virus protector

3. Put the controller OFF place to disable Panda Antivirus.

4. Assess whether Error code 3-4 is mended following disabling Antivirus.

g) To disable Webroot Antivirus

1. Open platform attempt, right click on secure anyplace icon of webroot.

2. Select Shut-Down protection.

3. Click YES on confirmation prompt and input CAPTCHA if needed for confirmation.

4. Assess whether Error code 3-4 is mended following disabling Antivirus.

h) To disable Avast Antivirus

1. Click Avast icon from telling region of windows taskbar.

2. Click Avast shield controller.

3. Select disable for 10 minutes.

4. Click YES on confirmation prompt.

5. Assess whether Error code 3-4 is mended following disabling Antivirus. 

Rebuilt/Repair Office Registry keys to Repair Error Code 3-4

Office setup error code could also happen in the event of registry corruptions or wrong worth. These value corruption or alteration are usually happened because of an installment of unknown software or died trial versions of anti-virus. It's required to examine the registry key position of registry keys to be certain there is not any alteration in the registry to get a successful installation of Microsoft Office 365 or Office 2016 or 2013.

Follow the steps to check the registry key position:

1. Open Registry Editor

2. Assess for default values install

Computer\HKEY_CURRENT_USER\Software\Microsoft\Office\Common

Follow the Registry navigation provided below to check the status:

Computer\

Computer\HKEY_CURRENT_USER\

Computer\HKEY_CURRENT_USER\Software\

Computer\HKEY_CURRENT_USER\Software\Microsoft\

Computer\HKEY_CURRENT_USER\Software\Microsoft\Office\

Computer\HKEY_CURRENT_USER\Software\Microsoft\Office\Common

When default in Office shared registry is defined as 0 or 1, then delete the key and click on Okay

3. Assess for default values place in

Computer\HKEY_USERS\S-1 -5-21-1499667035-1142950880-1989581963-

1001\Software\Microsoft\Office\Common

Follow the Registry navigation provided below to check the status:

Computer\

Computer\HKEY_USERS\

Computer\HKEY_USERS\S-1 -5-21-1499667035-1142950880-1989581963-1 001\

Computer\HKEY_USERS\S-1 -5-21-1499667035-1142950880-1989581963-1 001\Software\

Computer\HKEY_USERS\S-1 -5-21-1499667035-1142950880-1989581963-1 001\Software\Microsoft\

Computer\HKEY_USERS\S-1 -5-21-1499667035-1142950880-1989581963-1 001\Software\Microsoft\Office\

Computer\HKEY_USERS\S-1 -5-21-1499667035-1142950880-1989581963-1 001\Software\Microsoft\Office\Common

When default in Office shared registry is defined as 0 or 1, then delete the key and click on Okay

Uninstall and reinstall the Most Recent Office apps to Correct error code 3-4

In the majority of the circumstances, the former version of Office installed onto the pc might not enable the installation of the hottest Office 365 or even Office 2016 or even Office 2013 as an effect to prevent duplication. It might throw up an error code whilst installing or updating the workplace application. Thus it is strongly recommended to uninstall or remove preinstalled Microsoft Office before installing the hottest Office program.

To uninstall or upgrade the prior version of the workplace:

1. Open control panel and Choose apps and attributes

2. Click on Microsoft Office and pick Uninstall

3. After downloaded is completed, Consider installing the Most Recent Edition of Office and Assess whether Error code 3-4 is mended

To manually eliminate replicate office contents:

1. Open %program files%.

2. Navigate to Program Files > Microsoft Office.

3. Subsequently delete Microsoft Office 15, Microsoft Office 16 along with Microsoft Office folders.

4. Open %program files(x86)percent.

5. Navigate to Microsoft Office.

6. Subsequently delete Microsoft Office 15, Microsoft Office 16 along with Microsoft Office folders.

Eliminate previous Office keys manually:

1. Open registry editor

2. Navigate to beneath keys

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Office\ClickToRun

HKEY_LOCAL_MACHINE\SOFTWARE\MicrosoftAppVISV

HKEY_CU RRENT_USER\Software\Microsoft\Office

Delete that the keys