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2.75a Installation is very slow compared to 2.74
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Description

System Information
Windows 7 64-bit, Nvidia gtx570.

Blender Version
Broken: 2.75, 2.75a
Worked: 2.74

Short description of error

The installer for 2.75 (and 2.75a) is approximately 3x slower to install Blender than 2.74 was, being 3 minutes long vs 2.74's 1 minute. It was also extremely slow 'Computing space requirements' (not in included in the 3 minutes mentioned earlier) which took around 30 seconds.

I understand that new features of Blender will have increased the installer size and would have an effect on the installer, but 3x slower seemed excessively slow to me, particularly on the 'Removing files' and 'Removing shortcuts' parts of the install.

Exact steps for others to reproduce the error

Install Blender on Windows 7 64-bit.

Details

Type
Bug

Event Timeline

Ray Mairlot (madog) set Type to Bug.
Ray Mairlot (madog) created this task.
Ray Mairlot (madog) raised the priority of this task from to Needs Triage by Developer.

Not sure we'd consider that as a bug at all, but will let you decide here, Martijn. :)

Bastien Montagne (mont29) triaged this task as Normal priority.Jul 10 2015, 9:29 PM

This is not a bug. The new installer actually tries to cleanup old versions and crap.
This is just how the windows installer framework operates.