High Usage by RdrCEF.exe [Windows 10/11 Ways to Fix]

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There are many reasons why you might experience high CPU usage while running Adobe Reader DC. This article will explain how to fix it.

The problem occurs because the Adobe RdrCEX.exe application uses a lot of resources on your computer. You can use Task Manager to view the processes that consume the most memory and processor power. If you do not know how to open Task Manager, please refer to our previous post about how to open Task Manager in Windows 10.

If you still cannot solve the issue, we recommend contacting support directly via email.

How to fix Adobe RdrCEF.exe using a lot of CPU

Adobe reader high cpu usage problem is very common issue. This article explains how to fix it.

1. Open Task Manager Click CTRL+ALT+DELETE.

2. Select Processes Tab.

3. Find Adobe Reader process and Right Click on it.

4. Go To End Process button.

5. Then Press Ctrl+Shift+Esc keys together.

6. You will see task manager window. Now select Adobe Reader from list.

1] Rename RdrCEF.exe and RdlServicesUpdater.exe file

Renaming RdrCEF executable files is one of the best ways to prevent Adobe Reader usage overloading on your computer. You can do it manually or automatically with our tool. If you are running Windows 10/Windows 8.1/Windows 7/Windows Vista/Windows XP, follow instructions below.

If you don’t know how to rename files, please read this article.

Download and install AutoRename 3.0

Open the program and select “Add File…” button. Then browse to where you want to save the renamed files. After selecting the folder, press OK.

After renaming the files, close the program.

You can find the latest version of AutoRename here.

Run the updated exe files

2] Check for program updates

The Adobe Acrobat Reader DC requires an update. If you don’t see one listed, check for updates via the following methods:

1] Open Windows Update and select “Check for Updates”.

2] Search for “Adobe Acrobat Reader DC” in the Microsoft Store.

3] Click here for instructions on how to download the latest version of the software.

4] Once installed, open the app and follow the prompts.

5] You may want to restart your computer after installing the latest version.

6] Your browser might ask you to reload the page. Please do so.

7] Enjoy reading PDF files once again!

3] Remove the latest version of Acrobat Reader and reinstall it.

Adobe Acrobat Reader is one of those programs you just don’t want to uninstall. But it does seem like every few months there’s another security patch or update that makes it harder to use. So here are three ways to make sure you’re running the most recent version of the program.

#1 Open up the Start menu and enter “appwiz.cpl.” This will open the Control Panel window. Click on Programs and Features and then select View installed updates. You’ll see a list of all the programs installed on your computer. Scroll down to find Adobe Acrobat Reader and double-click on it to start uninstalling. If you’ve already removed the old version of the program, you won’t see anything listed under Program Files. Instead, look under Application Data. There might even be some files left over from previous versions of the program. Just delete them.

#2 In case you didn’t know, you can download the latest version of Adobe Acrobat Reader directly from the Adobe site. Go to www.adobe.com/acrobat/reader/. Click Download Now and follow the prompts to install the newest version of the program. Once you launch the installer, you’ll be asked whether you’d like to keep your existing data. Say yes. Then you’ll be prompted to reboot your PC. After rebooting, go back to the Adobe site and download the latest version again. Repeat steps 2 and 3 until you have the latest version of the program installed.

Updated: June 2024

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What does RdrCEF.exe do?

RdrCEF.exe is an important part of the Adobe Acrobat program. It runs processes that handle cloud connectivity functions. These include things like connecting to the Internet via Wi-Fi networks, accessing online storage, and downloading documents over the web.

Adobe recommends that you delete RdrCEF. This will prevent problems with the software. If you are experiencing problems with the software, it might help to try reinstalling it. You can download the latest version of Adobe Acrobat here.

How do I stop Adobe AcroCEF from running?

Adobe Acrobat Reader DC lets you view PDF files online without having to download the file onto your computer. This feature allows you to read documents stored on the web such as news articles, books, magazines, and even presentations. To use this feature, simply open up the document you want to view in your browser, and right-click anywhere inside it. From there, choose “Open With…” and select Adobe Acrobat Reader DC. You’ll lose all of your bookmarks, history, passwords, and saved searches.

If you’re looking for a way to disable the ability to save files from websites, here are some ways to do that. First, make sure you’ve enabled File Downloading in your browser’s security settings. Next, try disabling JavaScript entirely. Finally, try turning off cookies altogether.

How do I stop Creative Cloud from starting up?

If you’re running Windows 10, and you’ve just installed Adobe Creative Suite CC 2017, you might notice something strange about the startup screen. If you open up Task Manager, you’ll see that there are multiple instances of “Adobe Creative Cloud”. This happens because Creative Cloud is actually a collection of programs bundled together into one package. These programs include Photoshop, Illustrator, InDesign, Lightroom, Acrobat Pro DC, Dreamweaver, Muse, Premiere Pro, After Effects, Audition, Bridge, Character Animator, Color, Flash Builder, Framemaker, GoLive, Media Encoder, Motion, XD, Video Studio Ultimate, Web Premium, and ePub Authoring.

The problem is that some of those programs start automatically every time you turn on your PC. You don’t necessarily want to run all of them, especially if you’re working on a tight deadline. Fortunately, it’s easy to disable them. Just follow our instructions below.

Step One: Open Control Panel

Step Two: Scroll down to Startup & Recovery

Click the arrow next to Startup Items.

Step Three: Find the programs you’d like to disable

RECOMMENATION: Click here for help with Windows errors.

Frequently Asked Questions

How do I fix an error with AdobeARM.exe?

If you are getting the following error while trying to open the Adobe Reader DC application, it could mean that the Adobe Reader DC installation files are corrupted. In such cases, you need to repair the damaged files manually. Follow the steps given below to resolve the issue.

1. First of all, close all the programs running in background.

2. Then run the RdrCEF_Setup.exe file. This will start the setup wizard for the Adobe Reader DC software.

3. Click Next button to continue further.

4. Now choose Repair option to fix the errors related to the Adobe Reader DC software installation.

5. Wait till the process gets completed. After that, restart your system and try opening the Adobe Reader DC app again. If the problem persists, then follow the troubleshooting tips mentioned below.

6. There, look for the Adobe Reader DC and uncheck the box next to it. Then click Uninstall.

What does RdrCEF exe do?

RdrCEF is a free, open source, cross-platform (Windows/MacOS/Linux) and multi-threaded C++ library for reading and writing.rrd files. It supports RRDtool version 2.0.x or higher.

Adobe RedCEF has stopped working; how do I fix it?

The problem you are facing is due to the fact that the software has become outdated. Therefore, it needs to be updated. If you are unable to update the software manually, try uninstalling and reinstalling the program. This method might help you resolve the issue.