Ayush Khurana Posted April 16, 2020 Share Posted April 16, 2020 I've downloaded the latest version of CCleaner 5.65 due to some reason I tried to uninstall it but it won't uninstall. I'm using Windows 7 64bit version, during execution of "uninst.exe" file NSIS error is shown, and if I tried to do it from control panel it shows you don't have sufficient administrative right. Link to comment Share on other sites More sharing options...
Moderators hazelnut Posted April 16, 2020 Moderators Share Posted April 16, 2020 I have made Piriform aware and they are looking into it. You are not alone with this error. https://community.ccleaner.com/topic/57083-ccleaner-browser-has-taken-over/?tab=comments#comment-318469 https://community.ccleaner.com/topic/57845-ccleaner-browser-wont-uninstall/ Support contact https://support.ccleaner.com/s/contact-form?language=en_US&form=general or support@ccleaner.com Link to comment Share on other sites More sharing options...
Guest Sandra CCleaner Posted April 16, 2020 Share Posted April 16, 2020 2 hours ago, Ayush Khurana said: I've downloaded the latest version of CCleaner 5.65 due to some reason I tried to uninstall it but it won't uninstall. I'm using Windows 7 64bit version, during execution of "uninst.exe" file NSIS error is shown, and if I tried to do it from control panel it shows you don't have sufficient administrative right. Hi Ayush, thanks for reaching out to our community. The CCleaner QA team has investigated this, and recommend checking whether the uninstall string is incorrect. Please see below for the steps you need to follow to check for this: HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\CCleaner OR HKLM\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\CCleaner Please do let us know if this solution works. Thank you. Link to comment Share on other sites More sharing options...
Moderators hazelnut Posted April 16, 2020 Moderators Share Posted April 16, 2020 No way a user should have to go through all this just to uninstall a Piriform piece of software. Support contact https://support.ccleaner.com/s/contact-form?language=en_US&form=general or support@ccleaner.com Link to comment Share on other sites More sharing options...
Ayush Khurana Posted April 16, 2020 Author Share Posted April 16, 2020 (edited) As mentioned above I use windows 7 64 bit version, but I found the registry in, HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\CCleaner instead of Wow6432Node. The uninstall string value data was "\uninst.exe" so first I removing the back slash (as solution mentioned above) and then tried uninstalling the software but still NSIS error was shown, after this I tried with the drive letter "C:\uninst.exe" ( the software is install directly on C drive without any folder), again it shows the same error NSIS error, Error Launching Installer. I tried uninstalling with Revo uninstaller to but no luck. Edited April 16, 2020 by Ayush Khurana Link to comment Share on other sites More sharing options...
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