Error Code 100?? Whenever a Setup error contains error codes in the message, this indicates what the setup was operating on, let’s say copying files.
The text in the error message will determine whether that it is fatal or not. An error code 100 is a system error that is displayed as ‘ERROR_TOO_MANY_SEMAPHORES’ or as a value 0x64.
This error means that the system ‘cannot create another system semaphore.’ A semaphore is used in controlling access to parallel programming or a multi-user platform through multiple processes.
This error can prevent certain features of your Windows to perform properly, like trying to get a print, copying files, deleting files, or any other routine computer activities.
Error CausesError code 100 can affect a wide range of activities that you normally perform on your PC. This error can occur for a number of reasons, of which some of the common ones include:
Though these are the common causes for error code 100, there can be other ways through which this error can occur. To find out the specific cause for error code 100, follow these steps:
In order to manually repair this error, you will have to work with your Network Administrator as they will have security privileges to take the steps. However, there are more than one ways to resolve this issue, for instance:
If you are connected to a network, then you can work with your network administrator to fix error code 100. Follow these steps to resolve this error:

When Task Manager opens, click on the startup tab on top.
Once you click on startup you will get a list of applications that are set to be started when Windows is booted.
You can now click on the application and then click on disable on the bottom button, the application status will update in task manager to disabled and it will not be booted anymore when Windows starts. In this same manner, you can enable back some applications if you changed your mind about them.
Please note that some applications are using some services and must have them running or they will not work properly. The best practice is to disable applications you are positive you will not use or use rarely so you do not want them to slow down Windows. “It looks like you don’t have permission to save changes to this file. Try saving a copy instead.”There are several options you can explore to resolve this error. You can try updating the Microsoft Photos app or verify the ownership of the destination folder. You can also re-register and reinstall the app. For more detailed instructions, make use of the options provided below.
Set-ExecutionPolicy Unrestricted
Get-AppXPackage -AllUsers | Foreach {Add-AppxPackage -DisableDevelopmentMode -Register "$($_.InstallLocation)AppXManifest.xml"}Note: In the command given, do not forget to replace the “PackageFullName” with the actual package name for the Photos app. After executing the command, it will uninstall the Photos app from your computer so you need to install it again from the Windows Store by simply looking for it. Once you found it, just click on install to start the installation process.
“Error in loading dll” “Object library not registered”
Error Causesdism /online /enable-feature /featurename:MediaPlayback
Bypass TPM with changing installation media