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General information of cancel.sys
Name: cancel.sys (Free Error Scan)
FileVersion: 6.0.6001.18000 built by: WinDDK
Affected OS: Windows NT/2000/XP/Vista
File location: C:\Program Files\
Risk level: Medium Level  
CommpanyName: Windows (R) Codename Longhorn DDK provider
Country of origin:
The file cancel.sys was last seen in the following geographical regions:
  • Latvia May 23 2012
  • Morocco May 23 2012
  • Sao Tome And Principe May 23 2012
  • Sri Lanka May 23 2012
Security Warning about cancel.sys

cancel.sys can be either a legitimate file or a program that contains vulnerable codes of security threat inside your PC. It is highly recommended to scan you r computer right now and check the security of the cancel.sys file.

Causes of the cancel.sys error
  • cancel.sys that was accidentally removed is required by another program or the operating system.
  • cancel.sys is overwritten by its old version after the installation of a new program.
  • cancel.sys is likely to be broken by an uncompleted installation of a program which left corrupted files and entries.
  • A malicious program deleted the cancel.sys file or an associated file without your knowledge.
  • A bad hard disk drive which contains corrupt data can the make the cancel.sys becomes unavailable. (Free Error Scan)
Possible cancel.sys error messages
  • "Windows could not start because the following file is missing or corrupt: Windows\system32\cancel.sys. Please re-install a copy of the above file.".
  • "This application failed to start because cancel.sys was not found. Re-installing the application may fix this problem."
  • "Windows\System32\ cancel.sysmissing or corrupt: Please re-install a copy of the above file."
  • "Cannot find \Windows\System32\cancel.sys" (Free Error Scan)

Note: Once the cancel.sys is renamed and disguised by a malicious threats and acts on your computer, it will not only severely damage your computer, but also make your personal information unprotected. To protect your PC and privacy, it is highly recommended that you should fully check out your computer and fix cancel.sys errors instantly!

Free Download: cancel.sys Repair Tool
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Best cancel.sys error Removal Recommendation

The real culprit of the cancel.sys error is the malicious program brought by spyware. Spyware can install them on your system and then secretly steal and change the code of the installed or running programs on your computer. The cancel.sys will not be allocated correctly to take action once it is infected. Therefore, the best solution to fix the cancel.sys error is to run anti-spyware software. A regular use of anti-spyware software can clean up the system on time so that your computer could be free from all kind of computer spyware and virus.

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