Mysterious V6 Slowdown 2

Just like my previous post, a customer showed me how slow it was to open quotes in V6 on their new Windows 7 machine.

I fired up Process Monitor and looked at the output while loading a quote. I noticed many requests to read\write to the file V6. ini. This file resides in C:\Windows (only in V6 2.1 and older). Since Windows Vista any attempt by an application (without a manifest) to write to C:\Windows will virtualise the file to a location in the user’s profile. This is completely transparent to the application.

For some reason the virtualisation of V6.ini was causing major slowdown in V6. To stop the virtualisation I assigned the write permission to the copy in C:\Windows. This resolved the problem.


Leave a Reply

Fill in your details below or click an icon to log in: Logo

You are commenting using your account. Log Out /  Change )

Google+ photo

You are commenting using your Google+ account. Log Out /  Change )

Twitter picture

You are commenting using your Twitter account. Log Out /  Change )

Facebook photo

You are commenting using your Facebook account. Log Out /  Change )


Connecting to %s