I am not able to connect with one of client pcanywhere installed but issue in connecting.
Error - A host is already running or in use
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Unable to attach to specified device
Slow connection speeds or login issues with pcAnywhere
pcAnywhere message appears as Windows is starting or as a user is logging in
Article URL http://www.symantec.com/docs/TECH174261
pcA Quick Connect connection information is saved in a file under the All Users folder
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Replace the existing pcAnywhere PCAQuickconnectDll.dll and it working.