Welcome back to CCleaner Professional ???

15 hours ago, lmacri said:
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		...I tried your workaround (i.e., deleting the HKEY_LOCAL_MACHINE\SOFTWARE\Piriform and HKEY_CURRENT_USER\SOFTWARE\Piriform registry keys; there were no Piriform / CCleaner files to delete in C:\Program Files, C:\Program Files (x86) or the hidden C:\Users\&lt;myusername&gt;\AppData since I've never installed a "regular" version of CCleaner Free or Pro on the hard drive of my Win 10 Pro machine) ...The good new is that I'm no longer seeing the "Welcome to CCleaner" startup screen (at least not for now).  The bad news is that<strong> all ~ 50 registry values were re-created in HKEY_LOCAL_MACHINE\SOFTWARE\Piriform\CCleaner</strong>, which is what Crni reported in their 13-Jul-2023 post &lt;<a href="<___base_url___>/topic/64278-welcome-back-to-ccleaner-professional/?do=findComment&amp;comment=343239" rel="">here</a>&gt; ....
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Hi Wisewiz:

What really concerns me is that a Portable build of CCleaner should not need to create all these registry entries in the first place.

I'm beginning to wonder if this has something to do a with bug in CCleaner Portable v5.92 (rel. 11-Apr-2022) that incorrectly added a task called "CCleaner Update" in Task Scheduler that tried to run the emergency updater CCUpdate.exe (a file that normally isn't bundled with the Portable build) and added all sorts of unwanted garbage to the registry at HKEY_LOCAL_MACHINE\SOFTWARE\Piriform\CCleaner- see my 20-Jun-2022 post in Ollie_S's CCleaner 6.00/6.01 Portable Not Available and my 04-Jun-2022 post in mogli's 5.92 portable broken [download 5.91 from website]. Avast / Piriform had to pull the Portable ccsetup592.zip file and supposedly fixed the problem in CCleaner Portable v6.03 (rel. 22-Aug-2023), but there's nothing in the v6.03 release notes <here> except a cryptic "We fixed an issue that would cause a loss of settings in CCleaner Portable."

After this buggy Portable v5.92 was released and users began reporting creation of dozens of registry entries in HKEY_LOCAL_MACHINE\SOFTWARE\Piriform\CCleaner Avast / Piriform employee Dave CCleaner agreed on 04-Jun-2022 in mogli's <em><a href="<___base_url___>/topic/62829-592-portable-broken-download-591-from-website/?do=findComment&amp;comment=337270" rel="">5.92 portable broken [download 5.91 from website]</a></em> that "<em><strong>Having the Portable edition write preferences to the registry seems like a recipe for unintended consequences</strong>...</em>".

This is just speculation on my part, but perhaps there still some remnant of that buggy Portable v5.92 build on my system that's causing these registry entries to keep re-appearing in my registry. Either that, or Avast / Piriform has deliberately made a change in a recent release of CCleaner Portable v6.1x that creates all this garbage in the registry so that they can force changes like the new "Welcome Back" screen onto users of the Portable build.

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Dell Inspiron 5584 * 64-bit Win 10 Pro v22H2 build 19045.3208 * Firefox v115.0.2 * Microsoft Defender v4.18.23050.5-1.1.23060.1005 * Malwarebytes Premium v4.5.33.272-1.0.2069 * Macrium Reflect Free v8.0.7279 * CCleaner Free Portable v6.14.10584