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Re: Cygwin is VERY slow now

Actually, Microsoft has acknowledged that this patch (Q811493) may cause
general performance issues on XP. See;en-us;819634

for more details.


--- John R Lyon <> wrote:
> Lately, as I've read in some other messages, Cygwin seems painfully 
> slow. However, I have this observation: "It is slow only on an updated 
> version of Windows XP".
> I have Cygwin installed on the Windows 2000 machine I use at work and 
> updated installations have continued to operate at normal speed. My most 
> recent update of Cygwin was today (May 1).
> I have virtually identical installations on a Windows XP desktop and an 
> XP laptop. They are also up to date and they are so slow that they are 
> almost unusable. I first noticed the slowdown sometime last week. I DO 
> NOT have the dreaded "//c" notation in my PATH.
> I tried disabling the virus checker and saw no improvement.
> My conclusion from all of this is that a recent Windows update was the 
> culprit. To check this out, I just uninstalled the latest hotfix 
> "Q8114993" from my laptop. To my considerable surprise, the laptop's 
> version of Cygwin is now back to its original (fast) speed!
> Hope this helps someone and it would be nice to figure out a workaround 
> since it's good to keep Windows up to date.
> - Jack
> --
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