Skype Portable 5.1.0.112 is not portable. It left this registry key on my pcs:
HKEY_CURRENT_USER\Software\Skype
I confirmed on 2 different machines (Win7 x64 and Vista SP2 x32).
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confirmed, please edit your title to say [BUG] at the start
This is fixed in 5.3.0.108.
Sometimes, the impossible can become possible, if you're awesome!
John -- I downloaded and installed Skype Portable 5.3.0.108 Rev 2 online.paf. Before installing, I deleted all reference to the standard Skype from my computer, to include ALL registry entries.
After installing the portable version to my USB drive I did a search of my boot drive (C:) and saw that the installation program, among other things, added the following:
C:\Users\Ted\AppData\Roaming\Skype (with sub-directories) and several PreFetch entries.
Additionally, I scanned the registry and saw that about a dozen new SKYPE entries were added, either during installation or while running the program.
Just thought I would pass this on. -- Ted Ciemier
Prefetch doesn't matter. Windows itself creates them for every single EXE run, only admins can delete them.
Several areas of the registry similarly are created by Windows itself and can not be removed by normal users. Nearly every app run will have an entry like this. We'd need to know specific locations. HKCU\Software\Skype is the standard one and is properly handled.
%APPDATA%\Skype (C:\Users\Ted\AppData\Roaming\Skype) will be removed by the launcher on exit if it didn't already exist. I've confirmed this working properly on multiple systems. If you run it again ensuring this directory isn't there in the beginning, you should see it gone a couple seconds after skype.exe closes down.
If you do not see these cleaned up, then that may be a new bug. In that case, please include all details about your OS, install location, any extras you may be using, your antivirus and software firewall, etc. Also ensure you're running SkypePortable.exe (not skype.exe) and do not have it set to start with Windows, etc.
Sometimes, the impossible can become possible, if you're awesome!