Office 2007 Configuration wizard runs every time I start any Application (word, excel, etc)

For Office 2007:-
Check logs in event viewer.

Then go to C:\Program Files\Microsoft Office\Office12

Solution : You will find a file named ID_100012.DPC

Copy the same file and paste it on desktop the rename the file on desktop as ID_100053(Same as missing file mentioned in event viewer log).

Now run any office program will work....

Unable to open window media player and sidebar in window Vista

Follow these steps :-

1. Open command prompt by going to Start/all programs/accessories/ and right clicking on the icon - select 'run as administrator.

2. When the command window opens type:
regsvr32 scrrun.dll
and press the enter key

3. Now type
regsvr32 jscript.dll
and press the enter key

4. Now type
regsvr32 msxml3.dll
and press the enter key.

5. Now type
regsvr32 atl.dll
and press the enter key.

6. Restart your computer and check

Unable to install window XP service pack 2

When installing window XP service pack to it got stuck on "checking product key screen"

Follow then these steps- :

1) Please go into the command prompt.
2)on c:\ type cd /d %windir%\inf
3)Then type ren oem*.inf oem*.old.
4)Then type ren oem*.pnf oem*.old1.
5)Then go to run type "%windir%\inf click ok.
6)Take the backup of INFCACHE.1 on desktop and delete it from inf folder. Reboot computer in safe mode and install Service pack 2.

Note :Please note the product key of your Window XP.

If you don't have window XP disc or don't know the product key of your window XP....
Downloaded and run keyfinder to know product key of your window XP.

Registry tweaks

http://www.kellys-korner-xp.com/xp_tweaks.htm

http://www.instant-registry-fixes.org/category/registry-tweaks/

http://www.optimizingpc.com/optimize/registrytweaks.html