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CCS/CC3200: an error has occured ,see the log file null

Part Number: CC3200

Tool/software: Code Composer Studio

An error has occured when I try to open my ccs,here is the log

!SESSION 2019-06-13 20:36:26.628 -----------------------------------------------
eclipse.buildId=4.7.3.M20180301-0715
java.version=1.8.0_112
java.vendor=Oracle Corporation
BootLoader constants: OS=win32, ARCH=x86, WS=win32, NL=zh_CN

!ENTRY org.eclipse.osgi 4 0 2019-06-13 20:36:27.445
!MESSAGE Error reading configuration: D:\ccs8\ccsv8\eclipse\configuration\org.eclipse.osgi\.manager\.fileTableLock (拒绝访问。)
!STACK 0
java.io.FileNotFoundException: D:\ccs8\ccsv8\eclipse\configuration\org.eclipse.osgi\.manager\.fileTableLock (拒绝访问。)
	at java.io.RandomAccessFile.open0(Native Method)
	at java.io.RandomAccessFile.open(RandomAccessFile.java:316)
	at java.io.RandomAccessFile.<init>(RandomAccessFile.java:243)
	at org.eclipse.osgi.internal.location.Locker_JavaNio.lock(Locker_JavaNio.java:36)
	at org.eclipse.osgi.storagemanager.StorageManager.lock(StorageManager.java:388)
	at org.eclipse.osgi.storagemanager.StorageManager.open(StorageManager.java:701)
	at org.eclipse.osgi.storage.Storage.getChildStorageManager(Storage.java:1776)
	at org.eclipse.osgi.storage.Storage.getInfoInputStream(Storage.java:1793)
	at org.eclipse.osgi.storage.Storage.<init>(Storage.java:132)
	at org.eclipse.osgi.storage.Storage.createStorage(Storage.java:85)
	at org.eclipse.osgi.internal.framework.EquinoxContainer.<init>(EquinoxContainer.java:68)
	at org.eclipse.osgi.launch.Equinox.<init>(Equinox.java:31)
	at org.eclipse.core.runtime.adaptor.EclipseStarter.startup(EclipseStarter.java:303)
	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:239)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:653)
	at org.eclipse.equinox.launcher.Main.basicRun(Main.java:590)
	at org.eclipse.equinox.launcher.Main.run(Main.java:1499)

But I don't know what's wrong with it.Thank you for your helop.