Question: License file no longer valid

After updating my PC to Windows XP SP3 Maple no longer runs. A box with the message: "

Invalid or missing license file

License server does not support this feature

Feature: Maple 11

License path: c:\Program Files\Maple 11\License\license.dat

FLEXlm error:-18,147

appears and Maple does not start. Maple worked fine before SP3 update.

Does anybody have the same problem? Any idea about how to fix this?.

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