Oledig.dll errors my dell laptop says im missing oledig.dll need to fix

SOURCE: My dell inspiron 1525 laptop

If you have or can find a cd of the same version of XP follow the instructions at this link.
http://support.microsoft.com/kb/314477
Good luck.
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SOURCE: How to fix Dll could no be opened

Be very careful if you follow next procedure, it can make useless your computer.
At window top it says dll's name, take note of it and:
1. Click on start2. Type REGEDIT3. Click yes on User Account Control4. At Registry Editor press F3 (single key at top of your keyboard)5. Type dll's name, including its extension (ex. dname.dll)6. Every time you find it, then erase registry field.7. Press F3 again and repeat steps 6-7 until finish.

If you doubt it, better not do it! Take it into service center.