
There are a variety of reasons why this error occurs, and here you can see the common causes for it. EXE file of an application has become corrupted for various reasons, thus, affecting the Windows Installer file and making it impossible to make changes to the application. Nullsoft Scriptable Install System (NSIS) errors indicate that the. This message indicates that Windows cannot read or write inside the temp folder. In general, the “writing temporary file” NSIS error appears when you try to run an installer file, uninstall an application, and restart the computer. Read More What Is NSIS Error Writing Temporary File and Why It Occurs To fix this issue, you need to get some information about it including the common reasons why this error message appears. I am here because you guys know how to fix any Win 10 problems. Make sure your temp folder is valid" at each attempt to run or install CCleaner. I get a pop-up error message of "Error writing temporary file. So, all of a sudden, a program or two will not run nor can I install a new version of CCleaner as well. “Make sure your temp folder is valid” is a common NSIS error in Windows, and here you can see a true example from : How to Recover Deleted Windows Temporary Files.How to Fix Make Sure Your Temp Folder Is Valid in Windows 10/11.What Is NSIS Error Writing Temporary File and Why It Occurs.Step-3: Once you find CCleaner (You can also use the search box to find it), click on it, and then click on Uninstall.Have you ever encountered the error message “Make sure your temp folder is valid” when you install an application or restart your computer? This article from MiniTool gives you several useful ways to help you get rid of this error.Next, click on Apps & Features and scroll through the list of installed apps.


Step-1: Press the Windows + I key together to access the Settings window.Follow these simple steps to uninstall CCleaner from your computer. If you have decided, I will help you to do that. Now that you know that CCleaner is not much safe for your computer and you can manually do what it automates, you can opt to remove it from your system. If you have decided, you can Uninstall CCleaner After all, my answer to the ‘Is CCleaner safe’ question is a ‘No.’ Only use it when you are sure what you are going to do. So, you can use it but I wouldn’t recommend that you should use it. What CCleaner is able to do, can be done by you manually by using Window’s built-in utilities. Keep in mind that it is not at all essential for your computer. But, if you are fine with them, you can surely keep using the program. I can only explain the risk you’ll have to face while using it.

The decision to use CCleaner is all yours.
