impress hanging on save

Every time I come to save a document in impress the system hangs.

I get an error message to say the sytem can’t save the workbook

I am running Windows XP service pack 3

The error message in the Windows log is as follows:

Event Type: Error
Event Source: Application Hang
Event Category: (101)
Event ID: 1002
Date: 26/08/2016
Time: 15:48:33
User: N/A
Computer: SITE-MACHINE
Description:
Hanging application soffice.bin, version 5.1.5.2, hang module hungapp, version 0.0.0.0, hang address 0x00000000.

For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp.
Data:
0000: 41 70 70 6c 69 63 61 74 Applicat
0008: 69 6f 6e 20 48 61 6e 67 ion Hang
0010: 20 20 73 6f 66 66 69 63 soffic
0018: 65 2e 62 69 6e 20 35 2e e.bin 5.
0020: 31 2e 35 2e 32 20 69 6e 1.5.2 in
0028: 20 68 75 6e 67 61 70 70 hungapp
0030: 20 30 2e 30 2e 30 2e 30 0.0.0.0
0038: 20 61 74 20 6f 66 66 73 at offs
0040: 65 74 20 30 30 30 30 30 et 00000
0048: 30 30 30 000