Api-ms-win-crt-heap-l1-1-0.dll is a dynamic link library file and part of a Windows update for Universal C Runtime. This file is known to cause problems, the most notorious of which is that Microsoft Office won't start.
The program cannot start due to missing api-ms-win-crt-heap-I1-1-0.dll on your computer. Try reinstalling the program to fix this problem
This number indicates that there is a .dll file that Office needs on your system, but it is not enabled. There are several websites that will recommend that you download the file from their servers, or from Microsoft's own web portal, despite this, These are unsafe methods since downloading from third party sites does not always work and these files can be harmful to your computer. Since it is a .dll file you are downloading, the opportunity for damage is far from negligible.
If you face this problem, there is a solution that has been proven to work for multiple users. It involves the complete uninstallation of Microsoft Office, after cleaning and after reinstallation.
Method 1: uninstall Office with Revo uninstaller, clean and reinstall
There are several programs, among which is Office, that when uninstalled through the Change or Remove Programs option in Windows, leave traces in the registry and files on your computer, even if you have selected them to delete them completely. The answer for this is to use software like Revo Uninstaller which will erase all traces of the software you are uninstalling..
The first step is to download the free version from your here
Once you have downloaded it, go to your downloads folder and use the setup wizard to install it. It is a fairly simple procedure. Leave the »Launch Revo Uninstaller» box checked and click Finish, which will close the installation and run Revo Uninstaller. In the top left-hand corner, make sure the software is set to Uninstaller mode.
Select Microsoft Office and click Uninstall. Click Yes in the confirmation box and, in the next window, make sure to choose Advanced mode. Proceed to uninstall. In the end, Revo will start looking for the remains, such as registry traces and files, therefore make sure NOT to close it. It is very likely that you will see a message saying that the application has found leftover items. In this window, click on Choose all and then on Delete. Click Yes to the message that appears, and the window should be empty when Revo is done. Click Next and then Finish to close the wizard. Your computer should now have no traces of Microsoft Office. Restart it for all changes to take effect.
Now that you have removed Microsoft Office, you must install it using the installation media you have, regularly a CD drive or an .exe file downloaded from the Internet. Follow the installation wizard to install Office and restart your system at the end. You should have no problem using Office now.
This is an error that has been popping up more often than it should, especially for users who have updated their system with Windows Update for Universal Runtime C. Luckily, the answer is very easy and will give you a fully functional Microsoft Office when you are done.
