If it works, then congrats! If it does not, then there is something else that you should check out! Rebooting your PC is something that you should do and then try to launch Lightroom 5.4.

If it is not there, then you should create one and name it “Pictures” or “My Pictures”. In this folder you should see a “Pictures” or “My Pictures” folder. Now open the “Users” folder, then open your “user login name” folder. Usually, you can see it by opening Computer / My Computer and then open your “C:” partition (you can also have another letter assigned to your Windows system partition).

If Lightroom 5.4 does not work, then there is a possibility that you have deleted it by accident or simply moved its default location. Many of you have noticed in Windows a “default” folder, called Pictures or My Pictures. Second option: Check whether the Pictures / My Pictures folder is in the right location or not If it does not work, then you will have to try the next option. If the Adobe Lightroom 5.4 assertion failed error is gone, then congratulations. Once this is done, try to run Lightroom 5.4. Now, select “OK” and the Lightroom 5.4 properties menu will close, too. If Windows says that you need administrator privileges for this, then select “Continue” / “OK” / “Yes”, depending on the dialog. In the menu that shows up, simply tick the box next to “Run as administrator”. If this does not work, then you should right-click on the program’s icon once again, but this time select “Properties”. In order to run Lightroom 5.4 as admin, just right-click on the icon placed on your desktop and then select “Run as administrator”. One user has noticed that Lightroom 5.4 requires “admin” privileges whereas Lightroom 5.3 works without administrator rights.

First option: Run Adobe Lightroom 5.4 as Administrator However, they may or may not work for you, so remain patient and explore all the options available before calling it quits. There are several fixes that users have already tried and worked for them. Thankfully, you can make this annoying pop-up window to disappear. Thankfully, there are some fixes available! It prevents users from starting the photo-editing software. The infamous Lightroom 5.4 assertion failed error.

Tutorial lightroom 5.3