Information and startup locations can be examined on this page: verify all your files to make sure that they are legitimate, digitally signed and from the company to which they should belong.
cu4.sys application error and file info
cu4.sys
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| Filetype : driver |
A driver is used by windows to control your hardware. Each hardware component in your computer must have a driver, otherwise it cannot be used by windows
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| General file info |
| Product name: |
Unknown
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| Description: |
cu4.sys
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| Company: |
Unknown
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Automatic startup locations
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011 Installed drivers |
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MD5 file hash calculation |
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A MD5 hash is a unique fingerprint of a file. Different files/versions can have the same filename in windows. The MD5 hash verifies that the legitimate file is not altered or "fake".
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Your file might not be digitally signed |
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This means that the publisher of this software did not sign this file with a certificate from a trusted windows source.
Many publishers (even Microsoft) do not sign all their files, so this does not indicate that the file is suspect.
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 User comments for this file
More system processes
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| Filename / Process |
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| Guid / CLSID |
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| MD5 hash |
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| Check your autostart files
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