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First, I'd try to download and install AVG from Filehippo.com. You may have to get a mate to download to a USB drive for you and install from there.
Run the anti virus programme (AVG) clean out any virus' you may have contracted.
Next, I'd try a system restore (Start - All programmes - Accessories - System Restore) it maybe a little different for Vista but it is there.
When restoring, restore to a point over 2 months old or before you had any problems.
If that doesn't work, back to the USB, try downloading and installing IE8 from Microsoft.
After that, we're looking at restoring windows by re-installing. Before doing that, offload any data you want to keep to DVD's etc.
Good Luck. Read More At : TABLET PC V1100 866MHZ PIII WINDOWS XP TABLET EDITION WITH......