Windows 7 copy and paste delay

Hi Experts,

recently, copy and paste on some windows 7 PCs are having delays on some application, for example, after i copied some content from xwin32 terminal and paste it on notepad, it will take 2-3 paste trial (tried both right click and paste and short cut key ctrl+v) before the content can be actually pasted to the notepad. same happen in the reverse direction. I dont have an idea what causing this, please help.
nokypleaseAsked:
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nokypleaseConnect With a Mentor Author Commented:
found the problem because of someone added the following in the registry thinking to boost the remote desktop performance but the result is bad  

HKEY_CURRENT_USER\Software\Microsoft\Terminal Server Client\Min Send Interval
HKEY_CURRENT_USER\Software\Microsoft\Terminal Server Client\Order Draw Threshold
HKEY_CURRENT_USER\Software\Microsoft\Terminal Server Client\Keep Alive Interval
HKEY_CURRENT_USER\Software\Microsoft\Terminal Server Client\BitmapCacheSize
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Randy DownsOWNERCommented:
You may want to scan for malware with something like malware bytes. Check your Task Manager (right click clock)  to see what processes are taking up CPU & memory.
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nokypleaseAuthor Commented:
I have trend micro office scan v10 or 11 with latest av definition and it didnt caught anything.... I think that may not e caused by malware?

Any pther thoughts
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Randy DownsOWNERCommented:
Did you look at the processes to see if something is keeping the PC busy?
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nokypleaseAuthor Commented:
Yes i checked process but nothing really using high cpu.
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Randy DownsOWNERCommented:
Maybe this will help.

Cause
These problems are caused by a bad context menu handler. A context menu handler is a shell extension handler that adds commands to an existing context menu (Example: cut, copy, paste, print, Scan with Norton etc).
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nokypleaseAuthor Commented:
resolved myself
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