Microsoft Office has a very easy way of addressing this issue by simply trying to run the application again, after it tries to install the product again. Follow the steps mentioned below, and you’ll be able to access your files again.
Need to fix an access denied error in Office? The first thing to do is to make sure this isn’t a browser error. Try signing out of your browser and back in. If that fixes the error, it’s likely a problem with your computer.
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RECOMMENDED: Click here to fix Windows errors and optimize system performance. Today, while installing Microsoft Office 2016, I encountered a very strange problem. The machine I tried to install this last package on was Windows 10 Pro, and it was an inactive system (not part of the domain). The problem was an error message that caused the installation to fail: Access to the installation source is prohibited Unfortunately, there was a problem accessing the correct file. Check that the installation source has the correct permissions and try again. Office 2016 with click-to-run (CTR) technology comes with an online installer. If the installer fails, you must restart the installation from the beginning. There is also no guarantee that the error will stop if you restart the installation. Therefore, you should fix the problem first and then try the installation again. According to the error message, the culprit is either the installation source or the folder where the installation is running. Before taking any steps to resolve the issue, make sure you have the latest Windows updates installed on your system.
What causes an Office error? Has access to the installation source been denied?
Damaged office installation : Another possible culprit for this problem is a corrupted Office installation folder. To fully resolve the issue, uninstall the entire Office suite and run the recovery program, which can remove all remaining files, before reinstalling the software with your license key. Active VNP network or proxy server : Some Office applications fail when they have to work with proxy servers or with private network connections from VPN clients. As a result, they tend to produce errors when they need to perform important tasks, such as checking license keys. If this scenario applies, you can resolve the issue by disabling the VPN or proxy server while using the Office suite. Interference from third-party firewalls : It seems that this problem can be caused by third party interference, namely an overly secure firewall or antivirus application. In this case, the problem can be solved by disabling real-time security or uninstalling the security suite completely.
Restore desktop error Access to installation source denied
updated June 2021:
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Disable VPN or proxy access
It has been found that Office applications tend to fail when they have to work with proxy servers or private network connections established by VPN clients. Although they work most of the time, they tend to generate errors when they need to perform sensitive tasks (such as checking the status of a permit). If you are using a VPN client or proxy server, this may be the reason for the activation error code 0x4004f00d. If this scenario applies, you can resolve the issue by disabling the proxy server (or VPN client) before running the problematic Office application. Disabling the proxy server :
- Press Windows + R to open the Run dialog box.
- Then type ms-settings:network-proxy in the text box and press Enter to open the Proxy tab of the Settings application.
- On the Proxy tab, scroll down to Configure Proxy Manually and deactivate the Use Proxy Server option.
- Then restart the computer and repeat the action that caused the connection error to see if the problem is resolved.
Uninstalling the VPN Client :
- Open the Run dialog box by pressing Windows + R.
- Then type appwiz.cpl into the text box and press Enter to open the Programs and Features menu.
- When prompted to use User Account Control (UAC), click Yes to grant administrator privileges.
- In the Programs and Features window, browse through the list of installed applications and find the third-party VPN that you think is causing the problem.
- Once you see it, right-click on it and select Uninstall from the context menu.
- In the uninstall wizard, follow the on-screen instructions to complete the process.
- Once the process is complete, restart the computer and see if the problem is resolved when you next start the system.
Firewall disconnection failed
This particular problem may also be caused by a set of redundant safeguards that block communication between local Office applications and front-end servers. In most cases, the connection is broken due to false alarms. Many third-party applications are known to cause false positives that lead to this problem. These include Komodo and McAfee. If you are using a third-party application that you suspect is responsible, disable real-time protection and see if the problem persists. Of course, the procedure depends on the security suite you are using, but in most cases you can disable real-time security directly from the taskbar menu. However, if you are using a third-party program that includes a firewall, the same security rules will likely persist even if you disable real-time protection. In this case, the only possible solution is to whitelist desktop connections in your firewall settings (it depends on the security program you are using). If your AV makes it difficult to make exceptions, you can use a simple solution and delete it with the rest of your files (at least until your license is activated).
- Open the Run dialog box by pressing Windows + R.
- Then type appwiz.cpl and press Enter to open the Programs and Features menu.
- From the Programs and Features menu, scroll through the list of installed applications and find the third-party security suite you want to get rid of.
- If you see it, right-click on it and choose Delete from the context menu.
- When the removal window opens, follow the on-screen instructions to remove the third-party security package.
- Once the process is complete, restart the computer and check if the problem is resolved when you next start the system.
- Try opening the Office application and filling it out again.
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frequently asked questions
Users of Microsoft Office suite have recently been complaining about repeated access denied errors upon installation of Microsoft Office 2007 and 2010. The error message is stating that access is denied to installation source and the reason for the error is due to the user running a 64-bit version of Windows.. Read more about install office 365 without admin rights and let us know what you think.
Frequently Asked Questions
How do I fix Microsoft Office installation error?
Once you install an application or add an additional feature to a Windows machine, you can add that software to the Start Menu or Taskbar using the Settings Charm. This usually works fine, but as it turns out, there’s a catch: if you install a major new version of Microsoft Office (Office 2016 or Office 2013) and you don’t have the administrative privileges in Windows, the installation will fail. In other words, this error message will appear when you try to install such a new version: “Access denied to installation source”. When trying to install a new software, it is always a good idea to read the installation instructions first. So, how do you know it is the right one, when the software installer doesn’t find anything?
How do I fix Office 2010 installation error?
There is a number of reported errors in the installation of Microsoft Office 2010. One of the most common is the access denied error. This error could be due to many factors such as drive letter, virus or corrupted windows registry. The error “Access denied to installation source” is a common error that arises during the setup of Microsoft Windows. The reason may be because of some problem with the software installation or another reason like disk space or lack of permissions.
How do I fix Microsoft Office error 1704?
Today, I was doing something pretty simple: copying and pasting a text from one document to another. But then, something went wrong. I got an error message, and couldn’t do anything about it. The error message was something like “Access denied to installation source”. How annoying! Here’s how I fixed it: In the past, Microsoft Office (and other Microsoft Windows-based software) had a very simple installer that would attempt to copy all the necessary files to the local hard drive; if there was an error, the installer would simply copy the required files from the CD, to the local hard drive. Today, Microsoft’s software installer is more complex, and has a more clever way of copying files from the local hard drive to the needed location. This method involves the use of a Smart Installer, and this is the reason why you get the aforementioned “Access Denied” error message.
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