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the upgrade to windows 8.1 solved all the problems. many thanks for you all.

I succeeded at installing by giving permissions to Bluetooth through the registry, but now I have white exclamation marks on Bluetooth Peripheral Device.

thanks for your reply No, I only found the setup.exe installation file.

Hello, I have a problem with installing Bluetooth Driver and Sony Wireless State Device. I always downloaded them from the laptop's official website and installed them, but this time after a clean installation of windows 8, they all refuse to install with a yellow exclamation mark on the Unknown Device with (code 28). I mean the process of the installation goes until the end and I thought they were successfully installed but they weren't. please, how can I install them?

For me, an update to the version 4.01.4093 and it was enough, I have just one question, when I removed (ActiveX/COM Issue||InProcServer32\%CommonProgramFiles%\System\Ole DB\msdaora.dll || HKCR\CLSID\{e8cc4cbe-fdff-11d0-b865-00a0c9081c1d}) from the excluded list, does that mean it was completely removed or just from the excluded list?

I updated to v4.01.4093 (25 Apr 2013) and removed ActiveX/COM Issue || InProcServer32\%CommonProgramFiles%\System\Ole DB\msdaora.dll || HKCR\CLSID\{e8cc4cbe-fdff-11d0-b865-00a0c9081c1d} from the excluded list, then ran Ccleaner many times to see, and the problem disappeared

ok, thanks

I have the same problem

solved, I just had to install the bluetooth driver. many thanks

many thanks for you all. finally, I installed the right driver it was Sony Wireless State Device. but, I don't know why the question mark appears on Bluetooth Peripheral Device !

do you think I can choose from the list in the screenshot below? http://s9.postimg.org/4aazx09m7/Capture3.png

Hello ! I had to reinstall Windows 8 which came with my laptop. And after that I've been looking for two unknown devices for awhile after formatting my laptop with Windows 8. I couldn't find them, but after windows updates: 1. one was automatically installed, but now. 2. I can't find just one, and appears as UNKNOWN DEVICE. (look at the picture) 3. another with a white question mark. (look at the picture) I need your help.

great, it good to learn that. thank you hazelnut

yes, that is it. I couldn't remember its name. thank you for your help

Hello ! I have windows 7 installed on a computer, then I upgraded to windows 8. there is a software I think it is like "paint" which capture a snapshot and automatically opens as soon as I press print screens. I don't remember its name. Would you help me find its name? thanks in advance.

my device supports it (2). thanks a lot.

many thanks: the device supports both : (1) WPA-PSK/WPA2-PSK + TKIP/AES. and (2) WPA2-PSK + AES so (2) is the better than (1) for more security or they are all the same?

Hello ! I bought a router TP-link and want to know the best security options to use. for : AUTHENTICATION TYPE : (4 options) 1-WEP 2-WPA 3-WPA2-PSK 4-WPA-PSK/WPA2-PSK which one is the best? & 3 options for Encryption: 1-TKIP/AES 2-TKIP 3-AES which one is the best? thanks in advanced

Hi ! I have just bought a new laptop this week. after the installation of "Windows 7 Basique Familiale Edition (French) Pack 1 64bits" by the seller. I found out that he didn't create an isolated partition from the operating system's partition. when I open My Computer, I found 4 partitions: © : operating system (D) : Recovery (E) : HP_TOOLS (Q) : Empty. 1 : (when I double click it a message pops up "Q:\is not accessible access denied*.) 2 : (I tried to format it by right click but another message pops up "you do not have permission to perform this operation*") 3 : (I also tried to find it in "Disk Management*" but it doesn't exist. I need to create a new partition; therefore, I went to "Disk Management*", chose the ©Drive which has the largest size, right click=>Reduce the volume*=>then I specified a quantity and created a new partition which appears only in "Disk Management*". I tried to make it appear in My Computer through right click=>New Simple Volume*...but it didn't work. Now, what is the most important to me is to create a new partition without formatting. thanks in advance. *(translated by google from French)

thank you all, the new version fixed the problem.

this version is slower 3 or 4 times than the previous one. http://forum.piriform.com/index.php?showtopic=22837

good suggestion, I will do it. thanks a lot Keithuk

I'm using Windows XP sevice pack 2. CPU 1.80, RAM 521Mo. I didn't have this problem with the previous versions.

hi ! after updating to the latest version of Ccleaner, I noticed that it takes longer in analyzing and cleaning than the previous version, moreover it uses a lot of my CPU.

yes, you're right, I installed the latest version, and it has the same version number : http://en.wikipedia.org/wiki/DirectX#Release_history thanks.