Even though they have tried restarting many times, the warning pop-up remains.
So, how to get rid of it?
Read this post fromMiniTooland you’re free to find more solutions.
You cannot run two instances of Messenger.
If this tip cant work, yo try the following methods.
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Have you ever encountered the Facebook Messenger not working issue?
That can be an annoying error.
This article will give you a guide to fixing it.
Then peek if the tool remains showing this Another instance of the tool is already running.
Step 1: launch the quick menu by pressingWin + Xand clickTask Manager.
Step 2: Look through the running processes and locate the applications process to chooseEnd task.
Is Task Manager not responding in Windows 10/8/7?
Now get the full solutions to fix Task Manager if you cant open it.
Fix 3: Check Applications and System for Updates
Is the software the latest version?
No matter for software or system, regular updates are important to fix existing bugs and add improved features.
If you have a long time ignore the update, just finish that now and try the system again.
Toupdate the tool, you might go to the official website to download the latest version.
Alternatively, the app provides the check for updates feature and you might finish the job.
Step 2: ClickWindows Update > Check for updatesto download and roll out the available updates.
Wait a while for the checking and clickRelaunchto finish the update.
Fix 4: Run SFC and DISM Scans
Another method is to fix the system file corruption.
you might useSFC and DISMscans one by one to give a thorough check and repair.
Step 1: TypeCommand PromptinSearchand run it as an administrator.
Step 2: pop in this command sfc /scannowand pressEnterto execute the command.
Step 1: TypemsconfiginSearchand openSystem Configuration.
Step 2: In theServicestab, selectHide all Microsoft servicesand then clickDisable all>Apply.
Step 3: In theStartuptab, clickOpen Task Managerand disable those unwanted startup services.
Safe Mode: whats the difference, when and how to use?
After reading this post, you might clearly know all the answers to these questions.
Step 1: Go toStart > options > Apps > Apps & features.
Step 2: Scroll down to locate the problematic app and clickUninstall > Uninstall.
Bottom Line
How to fix the another instance of program is already running error?
This post has given you several effective methods.
you might try them one by one and some of them may resolve your issue.
