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Like on a question here, I have similar problem. I want to try a python framework for Wikibot, but need to run Python on Windows, which is not in default OS installation. Downloaded version 2.5.7 and ran it, but after proceeding an error occured and install crashed. Using Windows XP Service Pack 3 32-bit... I tried to redownload pack, looked for the encryption checkbox having unchecked -> true, no success. Does Python support Windows XP? What I'm doing wrong?

Note: transfered from

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Make sure that you have XP SP3 (Atleast XP SP2) – Ganesh R. Jul 24 '13 at 13:53
Also check the event log for any errors related to the installation – Ganesh R. Jul 24 '13 at 13:54
@GaneshR. Using Windows XP Service Pack 3 32-bit... Where I find event log, of course? – Polda18 Jul 24 '13 at 13:54
in run prompt, type eventvwr.msc. It should open the event log. – Ganesh R. Jul 24 '13 at 16:25
@GaneshR. Error address 0x00025eaa. Error text: "Application Failure msiexec.exe 4.5.6001.22159 in msihnd.dll 3.1.4001.5512 at offset 00025eaa" What's wrong? – Polda18 Jul 25 '13 at 7:21
up vote 1 down vote accepted

Finaly I found the solution:

Method 2 – Reinstall Windows Installer

You can also try to repair the problem by reinstalling Windows Installer! Pretty ironic eh! The first thing we want to do is rename some of the current windows installer files before we download the new ones.

Click on Start, Run and type in cmd. Then type in the following commands below. Press Enter after each command.

cd %windir%\system32
attrib -r -s -h dllcache
ren msi.dll msi.old
ren msiexec.exe msiexec.old
ren msihnd.dll msihnd.old

Next, you want to download the latest version of Windows Installer. We can do that from the Microsoft Download Center.

Type in Windows Installer in the search box and find the latest version, which will be called Windows Installer X.X Redistributable. Once installed, restart your computer.

By this answer I would suggest to close the question as solved.

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