Uninstall & Reinstall Issues

How to Fix SetupProd_OffScrub.exe SSL/TLS Error

Maira Mehtab Sep 30, 2026 869 views

Question details

The user is experiencing an SSL/TLS error or outbound connection failure when trying to run the Office uninstall support tool, preventing the uninstallation process.

How to Fix SetupProd_OffScrub.exe SSL/TLS Error

Product: Microsoft Office Uninstall Support Tool (SetupProd_OffScrub.exe)
Device & OS: Windows
Scenario: Attempting to uninstall Microsoft Office completely using the official support and recovery assistant tool.
Observed behavior: The executable fails to connect, returning an SSL/TLS error without specifying a required port, leaving the user unable to proceed with the uninstallation.

Before you start

Ensure you are connected to a stable internet network and have administrative privileges on your Windows device to modify network, proxy, or firewall settings.

Solution 1Recommended

Test with an Alternative Network or Windows Profile

Isolate the issue by testing the tool on a different network or a fresh Windows user account to rule out local network or profile corruption.

Since the tool does not require a specific custom port, errors are often tied to local configuration issues. Changing the network environment is the quickest way to bypass local restrictions.

Switch networks

Disconnect from your current Wi-Fi or Ethernet connection and connect to a different network, such as a mobile hotspot, then attempt to run the tool again.

Create a new user profile

Navigate to Windows Settings > Accounts > Family & other users. Click 'Add someone else to this PC' to create a new local administrator account.

Run from the new profile

Log out of your current account, log into the newly created profile, download a fresh copy of SetupProd_OffScrub.exe, and run it to see if the SSL/TLS error persists.

Profile Specific Issues: If the tool works on a new Windows profile, your original user account likely has corrupted registry keys or restrictive local network policies applied.

Solution 2

Verify Firewall, Proxy, and Domain Settings

Ensure that your proxy server, third-party firewall, or corporate domain policies are not blocking the uninstaller's outbound secure connections.

Solution 3

Troubleshoot TLS Versions and Cipher Suites

Use advanced diagnostic tools to determine if the error is caused by a TLS version mismatch or an unsupported cipher suite on your system.

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Frequently Asked Questions

Does SetupProd_OffScrub.exe require a specific port to be open?

No, the Office uninstall support tool does not require a specialized custom port. It uses standard secure web ports (like port 443 for HTTPS) for outbound connections. Errors are usually caused by local network restrictions or TLS mismatches rather than a specific missing port.

Why does the Office uninstall tool give an SSL/TLS error?

This error generally occurs when there is a misconfiguration in your local network. Common causes include a blocked outbound connection in your firewall, interference from a proxy server, or a TLS version/cipher-suite mismatch preventing secure communication with Microsoft servers.

How can I check if my Windows profile is causing the uninstaller error?

You can isolate profile-specific issues by creating a new local administrator account via Windows Settings. Log into this new profile, download a fresh copy of the tool, and run it. If it successfully executes, your original user profile likely has corrupted registry settings.

What should I do if the uninstaller works one day but fails with a TLS error the next?

If the environment, such as a Windows Server 2022 virtual machine, suddenly begins failing, it is likely due to an automatic system update or domain policy change altering the available cipher suites. Running a network capture can help pinpoint exactly where the secure connection drops.

Installation & Activation