Easy Methods to Get Rid of ShellExecuteEx failed; code 1155 from Your PC

This file does not have a program associated with it for performing this action. Create an association in the Set Associations control panel.Unable to elevate, error 1155

Unfortunately, it means that your computer is invaded by malware or potentially unwanted program (PUP) when seeing this alert above in your screen. If letting it in your system, you have to suffer from a strand of problems.

The Knowledge of ShellExecuteEx failed; code 1155

ShellExecuteEx failed; code 1155 is triggered by malware or potentially unwanted program (PUP). As a consequence, the existence not only blocks you from installing some programs, but give rise to various potential troubles.

The Other Related Warning of ShellExecuteEx failed; code 1155

ShellExecuteEx failed; code 1155 appears when you attempt to install some programs due to the infections of malware or PUP. Thus, you cannot run the programs you need successfully. Its existence, of course, is able to put you into other issues triggered by malware or PUP. Usually, if it stays in your computer, you may have to be faced with more additional infections, commercial pop-ups, slow network speed, or the risk of your privacy information leakage, and so on.

The channels Malware or Other Threats Infects Your Computer

  1. With the help of spam emails, unknown hyperlinks, intrusive websites, and so on
  2. With the assistance of your system security vulnerabilities
  3. With the aid of similar or other different infections

Methods to Get Rid of ShellExecuteEx failed; code 1155 from Your PC

Method 1. Remove ShellExecuteEx failed; code 1155 manually

Step 1: Stop ShellExecuteEx failed; code 1155 from running on your system.

Press Ctrl+Alt+Del keys simultaneously to quickly get to the interface. In the Processes section, seek for all ongoing related or suspicious programs and right click all the harmful processes to end them.

Step 2: Show hidden files on your PC and then delete the malicious ones.

Start button>>Control Panel>>Appearance and Themes>>Folder Options.

In view tab, tickShow hidden files and folders” and deselectHide protected operating system files (Recommended)”. And then click “Apply”. Since all the related hidden files have been shown, you can go to local disk C or other place to search for them and delete them.


Step 3: Delete vicious registry entries ofShellExecuteEx failed; code 1155.(Be cautious during this step.)

Click Start and find Run. Input “regedit” and then click “OK”. Then there comes the Registry Editor. Find out all the harmful keys and right click to remove them. Here, you should only the malicious entries or you may crash your system.

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\msseces.exe
HKEY_CURRENT_USER\Software\Microsoft\Windows NT\CurrentVersion\Winlogon "Shell" = "%AppData%\<random>.exe"

Method 2. Remove ShellExecuteEx failed; code 1155 automatically

To improve the performance of a PC, we need to fix the files, Registry Errors, and system rubbishes. Fragmented Core Operating, System Files Fragmented Files on Hard Drive, and Accumulated Junk File Clutter are all can be cleaned by RegCure Pro. Thus, you can download RegCure Pro here to fix your files and optimize your system performance.

Step 1: Click the safe link here or the icon below to download RegCure Pro!

Step 2: Double click to run the downloaded file and click “next” to install RegCure.

Step 3: RegCure will automatically open on your screen. You just need to make a System Scan for computer errors.

Step 4: Choose the item you want and click “Fix All” to get rid of the harmful problems.


If you want to get rid of spyware or malware, you can download SpyHunter here to help you.

Step 1: Click the download icon to download and install SpyHunter.


Step 2: Follow the install guide to install SpyHunter on your PC properly.

Accept the Setup Agreement, after the installation is completed, click “Finish”.

Step 3: Launch SpyHunter and click “Malware Scan” to have a quick scan for your computer.

Step 4: After the scanning is over, tick “Select All” and click “Fix Threats” to clean up all viruses and invaders.

>>Download SpyHunter help you delete malicious items<<

>>Download RegCure Pro help you optimize your system<<

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