blackboxxx Posted October 17, 2008 Share Posted October 17, 2008 Hi, I've been using CCleaner for a long time, but just discovered a bug in the TypeLib cleaning algorithm. Specifically, CCleaner mistakenly identifies TypeLib issues (when there are none) after installing Google Talk on Vista. By default, Google Talk is installed as a per-user application: its files are stored in user profile and all registry entries are made under HKCU\Software\Classes. The following issues are identified: Missing TypeLib Reference ITalkFriend - {7B29C130-826A-4070-BA18-EC01E703D244} HKCR\Interface\{38FDD2C4-9164-4eaf-8C74-24D764FF613E}Missing TypeLib Reference ITalkAPI - {7B29C130-826A-4070-BA18-EC01E703D244} HKCR\Interface\{4A1527F6-C11F-4131-82BC-FE891D4E3B70}Missing TypeLib Reference IMUCTalkPlugin - {7B29C130-826A-4070-BA18-EC01E703D244} HKCR\Interface\{4c9dc108-c73f-11da-95ab-00e08161165f}Missing TypeLib Reference ITalkPlugin - {7B29C130-826A-4070-BA18-EC01E703D244} HKCR\Interface\{5A9FF74C-53D0-4513-9481-0F61EDEEFFE2}Missing TypeLib Reference IChatRoomContact - {7B29C130-826A-4070-BA18-EC01E703D244} HKCR\Interface\{62d14448-68ff-4c37-a7f2-31105a1be427}Missing TypeLib Reference ITalkTunnelExp - {7B29C130-826A-4070-BA18-EC01E703D244} HKCR\Interface\{65D12388-C5E9-468c-83B9-60AEA2E658DF}Missing TypeLib Reference IChatRoom - {7B29C130-826A-4070-BA18-EC01E703D244} HKCR\Interface\{74C992C7-BA13-4E6A-A469-B43AE8FD557A}Missing TypeLib Reference IMUCTalkAPI - {7B29C130-826A-4070-BA18-EC01E703D244} HKCR\Interface\{7a9d1480-c6a1-11da-95ab-00e08161165f} While the registry keys are shown under HKCR, they actually exist under HKCU\Software\Classes (as you probably know, HKCR is just an alias to a combined view of HKCU\Software\Classes and HKLM\Software\Classes). All the entries refer to TypeLib {7B29C130-826A-4070-BA18-EC01E703D244}, which is also registered under HKCU (and therefore visible under HKCR), but CCleaner mistakenly identifies this TypeLib key as missing (it probably checks for its existence under HKLM and fails). I tried exporting the key HKCU\Software\Classes\Typelib\{7B29C130-826A-4070-BA18-EC01E703D244} and importing it under HKLM and after that CCleaner didn't find any problems. Link to comment Share on other sites More sharing options...
Admin MrG Posted October 20, 2008 Admin Share Posted October 20, 2008 Thanks for this detailed info, I'll look into it. MrG Piriform.com - [CCleaner - Defraggler - Recuva - Speccy] Link to comment Share on other sites More sharing options...
bosshardt Posted March 7, 2009 Share Posted March 7, 2009 When doing a CCleaner (v2.17) scan on the registry I get almost 6000 missing typelib references (and 180 unused file ext) . Since I don't really know what they are I want to know if I can clean them. I cleaned the file ext, but then Word and Excel didn't work anymore. As far as I know I did not install Google talk. I attached a text file with the scan results. Who can explain? Thanks! Rogier registry_scan_Typelib_File_ext.txt registry_scan_Typelib_File_ext.txt Link to comment Share on other sites More sharing options...
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