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Call Microsoft and have as much inforamtion available to you when you do. They have a work around for this problem.

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โˆ™ 2005-10-27 20:13:40
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Q: If you tried upgrading Windows by inserting a reinstallation CD and it says that the signature is invalid and gives you a fatal error message what do you do?
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Related questions

How do you get a Windows 2000 laptop to read a ipod touch?

easy by upgrading to windows xp :-)


How do you upgrade windows?

Upgrading windows has 2 meaning, one is upgrading the version (service pack) and second is the operating system. To upgrade the service pack, all you need to do is to update your windows via online. For the upgrading of operating system, just install new windows operating system eg. XP to VISTA or Vista to Seven


What are the benefits to upgrading to Windows xp?

more software programs are supported with xp, windows ME is buggy


Your audio hardware is not being detected since reinstallation of Windows how could it be detected?

Try reinstalling the drivers.


How likely are you to lose files when upgrading to Windows 8?

If you are upgrading to Windows 8 from an older Windows version like Vista or 7 you should not lose any files as Windows has developed the transition to be nice and smooth. If you are clearing off the OS completely and manually installing Windows 8 then it is recommended to have a backup of your files.


Name two benefits to upgrading to windows XP?

One benefit to upgrading to Windows XP is that it may work faster that your previous software. Another benefit is that it may provide you with features you don't currently have.


Why has your windows media player 9 stopped playing all sound?

Don't know, try upgrading Don't know, try upgrading


Can Windows 95 be upgraded?

Windows 98, Windows ME, and Windows 2000 all support upgrading directly from Windows 95. Your system must meet the requirements in order to upgrade, however.


What is the minimum required RAM when upgrading to Windows XP Professional?

375 MB


What is the advantages of upgrading from window xp to windows 97?

advantage of window 97


Name two benefits to upgrading to windows xp and explain your answer?

There are no benefits to upgrading to Windows XP. This is because Microsoft has decided that it will no longer support Windows XP. Therefore, Windows XP will not be given automatic updates anymore to stop viruses. It is better in the long run to just get a Windows 8 capable computer because that operating system is the newest on the market.


Where can one get the Windows XP upgrade?

When looking for any Windows upgrade, a good place to begin would be the Windows website. If one goes to the website there is a search bar located in the upper right hand corner of the screen. Simply search 'Upgrading from Windows XP to Windows 7' and below Windows provides a handy step-by-step guide to upgrading, including a tutorial and helpful tips.


What are two features of upgrading Windows 2000 to Windows XP?

Windows 2000 applications and settings are kept and Windows XP upgrade is quicker than a fresh new installation of XP.


How do you reinstall ms office 2007 on your computer after upgrading to Windows 7?

Yes, you can. Office 2007 works fine on Windows 7.


How do you get the CD drive back after Upgrading from Windows 98 to Windows 2000 professional on an IBM Thinkpad?

Try reinstalling the driver for the CD drive


Why errors messages after upgrading faulty PCIe video card in Windows Vista?

because its Windows Vista, it always stuffs up :P


What changes are to be made for upgrading Windows XP and Windows Vista to Windows 7?

The internal changes in the process of upgrading are vast and complicated. What do you as the user need to change to upgrade? Nothing. Just put the disk in and go, your computer will do the rest, all your files and programs will be left just as they were (assuming nothing goes wrong. It's windows, so you can never be sure.)


Option when upgrading uses existing windows folders and all the existing setting it can?

Express upgrade


Why did my computer become slower after upgrading from Windows 98 to Windows XP?

This is a common occurrence, particularly if you did not upgrade the computer beforehand. Windows XP requires more RAM and a faster processor than Windows 98.


What type of device driver most typically experiences compatibility problems when upgrading to windows XP?

VxD.


How do you upgrade from Windows 7 starter to Windows 7 home premium?

See the related link to the Microsoft web-site. Upgrading from Windows 7 Starter to Premium is currently priced at £69.99


What are some of the factors you should you take into consideration before upgrading a computer to Windows XP?

Hardware requirements Type of upgrade required Windows components required


How much megbytes of addittional storage of hard disk is requires for upgrading Windows 7 Starter to Windows 7 ultimate?

Not much, probably a Gigabyte which is about 1024MB


What are the advantages and disadvantages of upgrading a computer from Windows 98 to Windows Fundamentals for Legacy PCs?

your best bet is to scrap it. And wait for win 8 as its in beta at the moment haha!


Does Windows ME have to be removed before installing Windows XP?

No. Windows XP supports upgrading in-place from Windows ME. However, a clean install is usually recommended, since it can help avoid errors in the conversion process and leaving unneeded files behind.