Sometimes, when you are trying to send email, the error message ERROR_INSTALL_ALREADY_RUNNING 1618 Another installation is already in progress. Complete that installation before proceeding with this install. Keeps popping up and this can be a major problem if you don't fix it in time. If you want to solve the Outlook 0x0000ffff problem quickly, then download SmartPCFixer repair tool via below link.


Generally, you are going to experience:

  • PC runs slowly
  • The computer is stuck during normal operation or when running multiple tasks
  • BSOD error is showing
  • Some unwanted files run automatically
  • Update program is unable to be completed

About the symptoms

The error message is following:

  • Outlook 0x0000ffff
  • [path] \Outlook 0x0000ffff is either not designed to run on Windows or it contains an error. Try installing the program again using the original installation media.
  • Windows 10 could not be installed
  • Run-time Error XXX, A Runtime Error has occured, do you with to debug.
  • Your pc ran into a problem and needs to restart.
Cause of Outlook 0x0000ffff:

The error Outlook 0x0000ffff largely occurs because of the following reasons:

    There may be other reasons for the Error Outlook 0x0000ffff, such as misconfigured BIOS/CMOS settings, malfunctioning hardware, or corrupt system files.
Simple way for Outlook 0x0000ffff?
Advanced Resolution

Advanced Solution (manual):
  • Restart your computer, and then log on as an administrator.
  • Click on the startmenu button then select Programs > Accessories > System Tools, then select Restore.
  • In the new window, select "Restore my PC to an earlier date" and then click on Next button.
  • Select the most recent system recovery date in the "select a restoration point" list, and then click Next button.
  • Then click on "Next" in the verification screen.
  • Finally, restart your computer. Error Removed.

Another Solution: Outlook 0x0000ffff

SmartPCFixer™ is a full featured and easy-to-use system optimization tool, with it, you can: clean windows registry, remove cache files, fix errors, defrag disk, update windows, download dll, find programs to open file extensions and 20+ other system tools.

You can now download the repair tool and fix error Outlook 0x0000ffff with one click.
Fix the error Outlook 0x0000ffff within 3 steps.

Step 1: Download & Run SmartPCFixer - Download Now

Step 2: Open SmartPCFixer and Click "Quick Scan" to analyze your System(Normally, the software performs an automatic scan).

Step 3: Click "Fix All" button when the scan is complete, then the problem will be fixed

About Us

LionSea Software Co, Ltd is a modern company integrating science and technology, industry and trade. It has a technology team of high-quality and first-class staff, including post-doctors with ability in business, management and software development etc. We stick to the principles: " User First, Product Excellent, Brave in Innovation and Never Stop Improving". In the huge market and competitive pressures, our team united as one, wholeheartedly developed high-quality software, to provide users with the best software and the best quality products and services.


"Great software! Money well spent! I have scheduled my computer for weekly scans every Saturday so that I do not have to take any tensions about my computer having any registry problems. My computer is very much faster now when compared to what it was earlier."

---- James Long

New Articles