The Desktop could be corrupted, or, a corrupted monitor calibration file could have been created. 

To delete desktop and qcsetup.cnf files:

Depending on the version of your software, the desktop

(QC*.DAT files) and qcsetup.cnf files are located in :

In Colortools v3.X

  C:Program FilesDatacolorColortoolsTMPQC*.DAT

  C:Program FilesDatacolorColortoolsqcsetup.cnf

In Datacolor Tools v.1.X

  C:Documents and SettingsAll UsersApplication DataDatacolorToolsTools_AppUser_XXXQC*.DAT  where XXX is the name of your user

C:Documents and SettingsAll UsersApplication DataDatacolorToolsTools_Globalqcsetup.cnf

To delete the corrupted monitor calibration file, in Datacolor Tools, delete the following folder and sub-folders with Windows Explorer:

C:Documents and SettingsAll UsersApplication DataDatacolorENVISION

Note:

You can also try adding DatacolorTools.exe and Form Editor as an exception to DEP settings

If you need to uninstall TOOLS, use Add/Remove Program and then renamme the Datacolor folders.

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2. How to print forms in Tools?
3. How to import/export QTX files in Datacolor Tools?
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13. UV Calibration and Whiteness FAQs
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16. How to change color tolerances?
17. Solving Common Problems with Datacolor Tools
18. How to enable the top menu?
19. Walmart Process for Datacolor Tools 2.0
20. After starting Dtools,"GeneralDataSecurity Exception:Initialize Database failure Specified Database not found, Err1:-83 Err2:1, Vendor 1 08003, [Sybase][ODBC Driver] [Adaptive Server Anywhere] D
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22. Is our Datacolor Tools 1.x software going to work with Windows7 ?
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25. Imported samples from QTX files cannot be stored into the database, possible error messages "Sybase ODBC error - - Column Sample ID in standard table cannot be null." or "[Sybase][ODBC
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30. How to use Customized Filters in Datacolor Tools?
31. Emailing measurement data from Tools QC
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33. How do I export information from my template in Datacolor Tools 2.x to Excel
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36. How to change Tolerance Limit?
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39. AATCC UV Calibration Procedure
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52. How do I setup the green tile reading for optional?
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