What causes CCleaner not to open?
According to our investigation, this sort of issue happens because of malware on your system or after the malware is cleaned out by the security software on your system, but it has already done its damage. These malware use some registry hack where it will prevent you from opening certain apps in your computer. We will solely focus on the registry editor in the solution because that is where the problem is causing for the software that we are trying to open. And we will solve that in the solution below.
Removing the CCleaner entries from Registry Editor
Here we will be providing a solution where you can get rid of these affected registry files of certain applications that you are facing the problem about. In our case, it’s the CCleaner which won’t open no matter what you do. But the same thing can happen to other applications which we will use in this solution. Moving on to the steps: For those who are unable to open “regedit” just like the CCleaner, check the method for that below.
If Registry Editor “regedit” is also not opening, try this:
For some least users, they might get the error “You require permission from TrustedInstaller to make changes to this file” when they will try to rename the file. Then you can check our guide about that here. Or you can run “adwcleaner” and “Malwarebytes” which will find the conflicts and you will be able to run regedit after that.
CCleaner: Is it Safe to Use?CCLeaner 5.45 Pulled from Piriform Website, Reverts to 5.44 Following User…Fix: Microsoft Edge Won’t OpenFix: Sims 4 won’t open
