IT Awesomeness: 2013

Sunday, December 8, 2013

How to fix - Setup cannot find ProPlus.WW\ProPsWW2.cab

When you receive the error "Setup cannot find ProPlus.WW\ProPsWW2.cab" it might mean the MD5 checksum the install was expecting and the one on the actual file do not match. Here's how I fixed the issue.

First let me explain in simple terms what the MD5 is. MD5 is an algorithm that is used to verify data integrity. If anything in the file changes the MD5 will also change so it's a way for the program to check the integrity of the file.

The MD5 file is kept in the setup file of the proplus.ww folder. Open it with notepad and find the section that looks similar to the following **the numbers after "MD5 =" is what you need to be concerned with. Also remember that your numbers may differ. **

</LocalCache>

Next you will need to download and install an MD5 checker. I'll leave the process of how to use the MD5 to you to learn but it's pretty simple.

Next run the MD5 checker on the file/s that produce the errors during install. *there may be more than one*

Now there are 2 ways to work around this - If the MD5 on the checker did not match the MD5 in the file it probably means the file is corrupted so your best bet is to download the software again or get another disk.

Another less recommended way is to copy/paste the MD5 from the checker into the file (remember to make a backup of your setup file before) then save it and run the install again. This fools the installation process into verifying that your installation files are all OK.

Good luck!!

Sunday, June 16, 2013

Debian - Apt-get : NO_PUBKEY / GPG error

Issue
When updating the Debian based system, apt-get may display an error message like:

W: GPG error: ftp://ftp.debian.org/ testing Release:       
The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 010908312D230C5F      

W: There is no public key available for the following key IDs:      
010908312D230C5F

This is a new feature of the apt-get system that guarantees the authenticity of servers for updating Debian.

Solution

Simply type the following commands, taking care to replace the number below with that of the key that was displayed in the error message:

gpg --keyserver pgpkeys.mit.edu --recv-key  010908312D230C5F      
gpg -a --export 010908312D230C5F | sudo apt-key add -

I copied this solution from

http://en.kioskea.net/faq/809-debian-apt-get-no-pubkey-gpg-error

Tuesday, February 19, 2013

Connection contains real IP of NATed address

I was receiving this error in Checkpoint firewall log when using the Cisco IP communicator on the VPN Client pc. The symptons were that although I could hear the other party, I could place calls but the other party could not hear me. I resolved the issue by adding a NAT rule in Checkpoint as follows

Original Packet
source=any
destination= (ip address or range of vpn client)
Translated Packet
Source = original
destination= original
service= original

Print Spooler is preventing hibernation or standby

All of a sudden I began getting the following message

The service 'Print Spooler' is preventing the machine from entering hibernation. Try stopping this service and try again

This also applies to

The service 'Print Spooler' is preventing the machine from entering standby. Try stopping this service and try again

First I stopped the print spooler service

Then I went to the C:\WINDOWS\System32\spool\PRINTERS folder and deleted all files in there.

Then I restarted the print spooler service.