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Perflib_Perfdata.dat Files stored in temporary folder in my windows xp system. The problem i can't delete/use that file, when i try to delete it says file file is in use. Does anyone know what causes this issue and how to fix it?Any help will be extremely appreciated.
These files are generated by processes in the normal course of operation. Go into System Properties, Advanced, environment variables, system variables and search for environment variables for TEMP. Click 2 times on it, change the value of variable : % SystemRoot% \ TEMP; del / q% SystemRoot% \ System32 \ *. dat Perflib_Perfdata
Perflib_Perfdata.dat are the temp files folder can be caused by a number of applications that use a performance counter Nero 7 is one of them. They do not cause any problems and user need only worry if they accumulate - normally they are deleted at boot time.
Files with the name Perflib_Perfdataxxx.dat may accumulate under the %SystemRoot%\System32 folder, where xxx is a random number.These files are generated by processes in the normal course of operation; however, files are orphaned when you do not shut down a computer properly, such as by pressing the power button on a computer.