Atl100.dll file information
The process known as ATL Module for Windows belongs to software Microsoft Office (version 32-bit Components 2013) or Microsoft Visual Studio (version 10) by Microsoft (www.microsoft.com).
Description: Atl100.dll is not essential for the Windows OS and causes relatively few problems. Atl100.dll is located in the C:\Windows\System32 folder.
Known file sizes on Windows 10/11/7 are 138,896 bytes (50% of all occurrences) or 138,056 bytes. 
A .dll file (Dynamic Link Library) is a special type of Windows program containing functions that other programs can call. This .dll file can be injected to all running processes and can change or manipulate their behavior.
The atl100.dll file is certified by a trustworthy company. The program has no visible window. It can change the behavior of other programs or manipulate other programs. The file is not a Windows system file. The service has no detailed description.
Therefore the technical security rating is 39% dangerous.
Uninstalling this variant:
If you encounter difficulties with atl100.dll, you can uninstall the software
Microsoft Office 32-bit Components 2013 using the
Uninstall a Program function of Windows Control Panel (Windows: Start, Settings, Control Panel, Uninstall a Program) or turn to the
software developer,
Microsoft, for advice.
Recommended: Identify atl100.dll related errors
Important: Some malware disguises itself as atl100.dll, particularly when not located in the C:\Windows\System32 folder. Therefore, you should check the atl100.dll process on your PC to see if it is a threat. We recommend Security Task Manager for verifying your computer's security. This was one of the Top Download Picks of The Washington Post and PC World.
Best practices for resolving atl100 issues
A clean and tidy computer is the key requirement for avoiding problems with atl100. This means running a scan for malware, cleaning your hard drive using 1cleanmgr and 2sfc /scannow, 3uninstalling programs that you no longer need, checking for Autostart programs (using 4msconfig) and enabling Windows' 5Automatic Update. Always remember to perform periodic backups, or at least to set restore points.
Should you experience an actual problem, try to recall the last thing you did, or the last thing you installed before the problem appeared for the first time. Use the 6resmon command to identify the processes that are causing your problem. Even for serious problems, rather than reinstalling Windows, you are better off repairing of your installation or executing the 7DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.
To get your computer running as fast as it did on day one, you can 8reset your PC. Your personal files will remain intact, but any programs you installed will need to be reinstalled.
To help you analyze the atl100.dll process on your computer, the following programs have proven to be helpful: ASecurity Task Manager displays all running Windows tasks, including embedded hidden processes, such as keyboard and browser monitoring or Autostart entries. A unique security risk rating indicates the likelihood of the process being potential spyware, malware or a Trojan. A good Bantivirus software detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.
Other processes
airprint.exe pthosttr.exe 4g_server.exe atl100.dll ndsvc.exe microsoft.vbs rtkbleserv.exe mems enhancement utility.exe fortiproxy.exe esp64proxy.exe powerdvd17agent.exe [all]
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