Stop: c0000221 {bad image checksum}
the image user32.dll is possible corrupt. the header checksum does not match the computed checksum.How to Fix error code stop:c0000221
Method 1: Extract a New Copy of the User32.dll File from the Windows XP CD
Method 2: Remove or Replace the Faulty RAM
Method 3: Replace hard disk or fix hdd bad sectors.
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